LG LD-14AW1 Manual
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User reviews and opinions
|yuenqi||4:33am on Saturday, October 23rd, 2010|
|All the connections options I could ever need","Good Remote Control","Great Picture Quality","Great Sound Quality". very good out the box! All the connections options I could ever need","Best looking TV out there","Energy Efficient","Good Remote Control". I use this for my bedroom It is all I could ask for at a great price Great Picture Quality","Great Sound Quality".|
|pediatracancun||8:42am on Saturday, September 25th, 2010|
|This LCD has excellent picture quality and very good sound (2-way speakers while most competitors use 1-way units). Our 4-year old 32 Great Picture Quality","Great Sound Quality","Outstanding picture clarity/resolution","Reduced Glare".|
|ABanahene||7:09pm on Tuesday, August 31st, 2010|
|Great price, great picture and sound. Easy setup. [...] The stand could be a little more sturdy. My wife and I are very pleased with our purchase.|
|LR||6:28pm on Sunday, August 15th, 2010|
|I got it from another online retailer for $100 less. I bought this on Cyber Monday so I got it for $380... It works fine now that they completely replaced the backlight. TV worked great for about two months. Only complaint is that the speakers are on the bottom, and this is less than ideal. Great picture quality with lots of depth and a high contrast ratio. Plus.|
|thewebguy||6:15pm on Sunday, August 15th, 2010|
|Awesomeness Great tv - arrived within two days of ordering. And despite the delivery guy not being the most pleasant of fellows. Great product for the money After looking for some time for LCD TV I was going to purchase the LG 42" version is the same model range but decided to b...|
|mizios||8:12pm on Sunday, June 20th, 2010|
|LG TV LG 47 inch very smart looking so simple to set up and the HD picture is A+ would reccomend this to all my friends Very happy Very impressed with the TV. Great picture and decent sound compare with some other models. Good quality and arrived within days.|
Comments posted on www.ps2netdrivers.net are solely the views and opinions of the people posting them and do not necessarily reflect the views or opinions of us.
A publication of the Electrical Safety Office
The dish on dishwashers Renewable energy technologies and safety Audit update New system recommended for electrical equipment safety
Christmas lighting safety hints
Christmas is fast approaching and your customers may be in the process of preparing to decorate their home or garden with festive lights.
Some handy hints to advise your customers when they are decorating their homes and gardens: When buying new decorative lighting kits, look for an approval number (e.g. Qxxxxx; Vxxxxx; Nxxxxx; NSWxxxxx; Sxxxxx) or the regulatory compliance mark logo, which indicates compliance with Australian standards. These are normally found on the decorative lighting and may also be printed on the packaging.
Regulatory compliance mark logo
Some safe methods for using old or new decorative lighting are: If power points are not protected by a built-in safety switch, either have a licensed electrical contractor install one, or connect decorative lighting through a portable safety switch. Be aware that using multiple high-powered lamps may overload your electric circuits. When using multiple sets of decorative lighting or high-powered lights (such as para-floods, flood lights or spotlights), plug them into a power board fitted with overload protection. The use of double adaptors or piggy back plugs is not recommended. Use only factory-made extension leads or those made by a licensed electrician. Before use, check decorative lighting and all leads for damage, and only use if undamaged. Always fully unwind extension leads to avoid overheating. All outdoor electrical connections must be weatherproof. You can buy weatherproofing accessories that do the job. For more information on safety hints download the Decorative lighting safety hints brochure on the department website at www.deir.qld.gov.au/ pdf/eso/decorative-brochure.pdf.
Use extra-low-voltage (12V or 24V) decorative lights, especially outdoors, on fences, metal work, roofs or downpipes. These should be supplied with an approved power supply unit (transformer). Do not alter or modify any lighting equipment. Lights used outdoors should be specifically designed for this purpose. Ensure all lights, extension leads and power boards are suitable for the intended use.
What is the Electrical Licensing Committee?
Have you ever wondered what the Electrical Licensing Committee does? Did you even know it existed?
One reason you should know about the committee is that it oversees the operation of Queenslands electrical licensing system, and that means your licence. Formally known as the Electrical Contractors Board, the electrical licensing committee was constituted in 2002 by the Electrical Safety Act, the role of the Electrical Licensing Committee involves: giving advice and making recommendations to the Electrical Safety Board about licences and training disciplining electrical licence holders, and previous electrical contractor licence holders reviewing decisions of the chief executive about electrical licences. The Committee is also involved in: recommending training modules and courses to qualify people for licences making recommendations about the safety of electrical work and the standards for qualifications required for an electrical licence receiving and investigating complaints about electrical work taking action to ensure holders of electrical licences perform work or conduct their business or undertaking to appropriate standards. This can include cancelling or suspending licences or taking other disciplinary action. The committee comprises: the Commissioner for Electrical Safety (chairperson) an employer representative a worker representative a community representative a technical expert.
During the 200607 year the Committee met nine times and held 13 disciplinary hearings, involving seven electrical workers and six electrical contractors, as a result of non-compliant electrical work. Disciplinary action was implemented in 11 of these cases. It also considered 23 applications for review of electrical licensing decisions where the chief executive considered the application did not meet the eligibility criteria and the applications were refused. The Committee confirmed all original decisions of the chief executive. The Committee also provided advice to the Electrical Safety Board on licensing eligibility and competency requirements.
The dish on dishwashers
The Electrical Safety Office (ESO) has been busy recently investigating incidents involving dishwashers.
In December 2007, Electrolux Home Products Pty Ltd made a voluntary public recall of: two Electrolux models EX401ISB and ESL6163 two Electrolux Dishlex models DX303SK and DX303WK six Westinghouse models SB908WK, SB908SK, SB916WK, SB916SK, SB926WK and SB926SK. The serial number range is 70700000 72400000. The dishwashers were sold after 1 April 2007. The company has claimed a wire connector within the appliance may overheat and cause a fire or melt plastic components within the control panel. There is also a risk that the fire could spread outside the appliance. The company advises that all dishwashers affected by this recall should not be operated until they have been checked. Recall notices were published in major city newspapers in December 2007 and again in February 2008. The ESO is monitoring the progress of the recall in Queensland and working with the company to ensure all reasonable actions are taken to prevent the supply and use of the recalled equipment. Owners of the recalled equipment have been told to contact Electrolux Home Products on 218. Electrolux have said they will make arrangements for a service technician to call and check each appliance free of charge. Check out other recalls on the website at www.deir.qld.gov.au/electricalsafety/recalls/index.htm.
Electrical Safety Infoline 662
Renewable energy technologies and safety
The desire to reduce societys carbon footprint has put the spotlight firmly on renewable energy technologies such as solar panels and wind turbines.
Renewable energy technology like photovoltaic solar panels, wind turbines, motor generator sets and associated batteries can operate as stand alone power sources typically for individual remote area supply. They can also be connected to the supply grid (via electrical inverter technology) to enable the sale back to the energy distributor when excess electricity is generated by the renewable energy system. The uptake and promotion of renewable technology has prompted the Electrical Safety Office (ESO) to investigate possible electrical safety issues. Several electrical safety risks have been identified including the risk of fire caused by arcing of the solar panels and related electrical equipment; the risk of electric shock from contact with live solar panels and other equipment; and the risk of electric shock to line workers if power is fed back into the supply grid. Other potential safety issues are summarised below: Live work issues photovoltaic solar panel arrays currently cannot be switched off, if the sun is on them they generate electricity. Suitable methods to ensure isolation of parts need to be implemented to ensure live work does not need to be performed. Protection of electricity distribution workers safety issues relating to the feeding back of electricity from a renewable installation into a de-energised supply grid and the possible risks for electrical workers working on the network in this instance need to be investigated. Fire hazards the particular fire risks presented by photovoltaic solar panel arrays and related electrical equipment need to be further researched and controls developed accordingly. Installer qualifications and competence correct knowledge and competency of installers of such equipment must be ensured to enable safety standards to be met. Currently the Clean Energy Council (formerly the Business Council for Sustainable Energy) accredit installers and these accredited installers must be used if the Federal Government rebate is claimed. However if the rebate is not being claimed there is no regulatory control except for electrical licensing requirements for the relevant electrical work. Remote area work much of the renewable energy technology will be installed in remote areas where qualified electrical workers may not be readily available and as such the possibility of unlicensed work (and possible unsafe work) may occur. Operating voltages photovoltaic solar panel arrays are being manufactured that operate at voltages above extra low voltage. Voltages in excess of 400Vdc and possibly up to 1000Vdc may emerge in the near future, potentially increasing the severity and likelihood of electrical shock or injury. The ESO is working on a number of initiatives with industry and government partners to minimise the electrical safety risk and will keep readers informed.
Department of Employment and Industrial Relations www.deir.qld.gov.au/electricalsafety
Electrical worker moonlighting as contractor fined
An electrical worker has been fined $4,000 in the Gatton Industrial Magistrates Court for moonlighting as an electrical contractor. The worker pleaded guilty to having contracted for electrical work at various places, including Woodbine, Junction View and Tenthill. Although the worker was a qualified and licensed electrical worker, his contractor licence, had lapsed in late 2004. The worker had continued trading as a contractor, contracting work for domestic and residential clients through late 2005, 2006 and 2007. Some of the work was minor, but one customer was invoiced for work in excess of $20,000. The Electrical Safety Regulation 2002 requires contractors to hold $5,000,000 of public liability insurance as a means of consumer protection. Where work is performed by an unlicensed electrical contractor, even one with an electrical work licence, insurance protection for the consumer is uncertain. The Industrial Magistrate, in accepting the electrical workers early plea of guilty and that the worker had been under family and financial stress, nevertheless pointed out that in committing this type of offence the licensing system is ignored, with consumers, and others, being potentially placed in jeopardy. The worker had no prior convictions and has since made application for his electrical contractors licence. The worker was also required to pay $1,500 in investigation costs and $68.50 Court costs. No conviction was recorded.
Electrical incidents and fatalities
Statisitics and trend information on electrical incidents and fatalities over the past ten years was presented by the Electrical Safety Offices Dan Murphy at the Electrical and Communications Association (ECA) Annual Conference in August 2008. Key points highlighted in the presentation included: Electrical fatalities have declined significantly from 199899 to 200708 there were 59 electrical fatalities (average of 5.9 per year). Between 198889 and 199798 there were 126 fatalities (average of 12.6 per year). The main categories of electrical equipment involved in fatalities were fixed wiring 31 per cent, powerlines 29 per cent and portable appliances 25 per cent. These three categories represent 85 per cent of electrical fatalities in Queensland over the past ten years. For the fatalities associated with fixed wiring during the past ten years, the major contributing factor was unsafe electrical work practices by electrical workers, e.g. working live or failing to test. Of the 17 fatalities involving powerlines during the past ten years, two involved unsafe electrical work practices and approximately 60 per cent involved unsafe non-electrical work. In the past ten years, electrical safety on farms has attracted considerable attention, primarily due to the high number of fatalities and serious injuries involving farming equipment and overhead powerlines. During the past two years there have been five fatalities involving powerlines. Queensland has the most comprehensive legislative requirements for the installation and retrofitting of safety switches of any Australian jurisdiction and now has the highest penetration of safety switches in domestic premises of any Australian jurisdiction at more than 63 per cent of homes. Safety switches can and do save lives. In the last ten years safety switches would have prevented 33 fatalities (56 per cent). All electrical fatalities are a tragedy and are preventable. To stay electrically safe everyone, including electrical workers must meet the requirements and follow the practical requirements set out in Queenslands electrical safety laws.
Skills maintenance for electrical work licence renewal
A high proportion of licensed electrical workers are due to renew their licence in 2009.
When you renew your licence dont forget you must have completed skills maintenance within the previous two years. You can complete your skills maintenance through a registered training organisation (RTO) which has a skills maintenance course approved by the Electrical Safety Board (approved courses and RTOs are listed below). Alternatively, you can access the online skills maintenance course and assessment on the ESO website at www.deir.qld.gov.au/electricalsafety. Both the online skills maintenance courses and assessments and those provided by approved RTOs have been updated to align with both regulatory changes and the recent revision of the Wiring Rules, AS/NZS 3000:2007. There are three parts to skills maintenance.
Part ALegislation Knowledge of electrical safety legislation as it applies to electrical workers. Ability to apply risk management principles to electrical work. Ability to carry out safety checks and tests in accordance with legislative requirements.
Part BBasic risk management Part CTesting
You must have completed all three parts in order to renew your licence. If skills maintenance is completed through an RTO, the statement issued by the RTO needs to be submitted with your licence renewal application. If you use the online assessment, your results are recorded automatically on the licensing database and no copy is needed for your licence renewal application.
Approved Skills Maintenance licence renewal courses and RTOs
Approved RTO Competency Training Pty Ltd Electrical and Communications Association Electro Group Training Gold Coast Institute of TAFE Power Supply Services and Training Queensland Electrical Training Skills Tech Australia The Bremer Institute of TAFE Tropical North Queensland TAFE Skills maintenance course title Electrical Licence Renewal Skills maintenance training for renewal of electrical workers licence Skills maintenance program Licence renewal course Electrical worker competency refresher Skills maintenance in legislation, risk management and testing Licence renewal course Licence renewal course Licence renewal course Phone number (07) (07) (07) (07) (08) (07) 447 (07) (07) 4042 2447
Dont work live
An electrical worker learned the hard way that working live when not necessary is a bad idea.
A disciplinary hearing before the Electrical Licensing Committee was told the man was working on a live switchboard when he lost his grip on a screwdriver which then fell into the switchboard causing an arc. He sustained flash burns to his facial area and was admitted to hospital with first degree burns. The Licensing Committee took into account the injuries sustained and the retraining undertaken by the worker since the incident and reprimanded him, reminded him of his responsibilities as an electrical worker regarding safe work practices, and fined him $150.
200809 audit campaign
The Electrical Safety Offices 200809 audit compliance campaign is well underway. This year the office is implementing 20 audit projects which support the Electrical Safety Plan for Queensland.
Findings from the 200708 compliance campaign have been collated and detailed results are available on the departments internet site. Spotlight on employers (non-electrical contractors) who employ electrical workers This audit project targeted employers, other than electrical contractors, who employ electrical workers, including electrical apprentices. Typical employers were those associated with production workplaces, hospital or hotel and resort industries. Areas requiring improvement included: understanding and implementing live work provisions employees awareness of a safe system of work for live work certificate of test awareness obligation awareness use of safe systems for working around live electrical parts employees awareness of a safe system for working around electrical parts availability of records and suitability of safety equipment and testing instruments availability of a system for testing electrical equipment understanding of electrical installation testing understanding requirements to ensure electrical installation complies with the wiring rules availability and distribution of relevant information e.g. legislation, codes of practice, safety alerts, wiring rules. Spotlight on the rural industry audit project This project involved visiting a selection of rural properties across the State. The audit focused on two areas, risk management practices associated with working near overhead powerlines and awareness and implementation of the recent introduction Code of Practice Electrical Equipment Rural Industry. Areas requiring improvement included: addressing risks with overhead lines Rural Code of Practice awareness obligation holders to conduct visual inspection of fixed electrical equipment electrical safety obligation awareness procedures to ensure action is taken with defective electrical equipment electrical equipment being fit for use obligation holder to conduct visual inspection of handheld electrical equipment procedures in place when unsafe equipment suspected addressing stated electrical risk factors.
Electrolux, Electrolux Dishlex and Westinghouse dishwashers, Electrolux models EX401ISB and ESL6163, Electrolux Dishlex models DX303SK and DX303WK, and Westinghouse models SB908WK, SB908SK, SB916WK, SB916SK, SB926WK and SB926SK, 4 December 2007 LG electric dishwasher, LD-12AS1, LD-12AW2, LD-14AW1, LD-14AW2, LD-14AT1, LD-14AT2 (AT2 models are similar to AW2 models but with a different colour), LD-AW2, LD-14AT2, LD-4050W, LD-4050W, 6 September 2005 and16 June 2008 Home Collection fan heater, Model No. NSB-200J, 9 July 2008 Tadiran high wall air conditioning unit, Model TGL-35H, 20 February 2007 Mezzo and Maison sandwich makers, model FS-8009. batch number on the base of the sandwich maker displays 08/07 and 12/07, 1 May 2008 LG Microwave Oven, model numbers MS2346VR and MS2347GR, serial numbers starting 708 to 802, 18 July 2007
More detailed information is available on these recalls and other items on the departments website.
New system recommended for electrical equipment safety
A new Electrical Equipment Safety System aimed at eliminating shock, injury and property damage resulting from the sale, supply and use of unsafe electrical equipment has been recommended by the Electrical Regulatory Authorities Council.
Electrical Regulatory Authorities Council (ERAC) has proposed that the new system be underpinned by nationally consistent performance-based legislation in each jurisdiction and comprehensive scheme rules. It contains a mixture of pre-market registration and postmarket enforcement. The recommended approach to the equipment safety regime followed an extensive review by ERAC across Australia into current practices which have not kept pace with the changing profile of the equipment industry or with the rapid explosion of technology. The current system was designed to accommodate a marketplace where most electrical equipment was manufactured and/or supplied in Australia. Most electrical equipment is now imported from overseas, particularly Asia, while the emergence of internet retail sources such as eBay have also challenged the effectiveness of the system. The review recommended that under the proposed system, equipment will be classified in three levels based on risk assessment, (level 1 low risk, level 2 medium risk and level 3 high risk), with regular reviews of the need to reclassify equipment into a more appropriate risk level based on market experience. The recommended system would require certain steps be taken prior to equipment being placed on the market. The first step would require that all suppliers of (level 1, 2 and 3) equipment be registered on a national database. The second, would require all equipment classified as level 2 (medium risk) and level 3 (high risk) be registered on a national database. Prior to submitting a Suppliers Declaration of Conformance to register equipment on the Registration Database, Responsible Suppliers need to hold or have access to specific Evidence of Conformance depending on the risk category of the equipment. Registration results in the issue of unique suppliers numbers and separate numbers for each item of equipment. These numbers are to appear as part of the Certification Trade Mark that is to be placed on the equipment. ERAC says that post-market enforcement is to be consistent and highly harmonised across jurisdictions. Surveillance and enforcement is to remain the prime responsibility of State and Territory regulatory authorities with a level of national coordination using a national database. Surveillance is to be substantially enhanced. The ERAC National Surveillance Plan will include check testing and be strengthened to include audits of Certificates of Conformance, Declarations, and underpinning documentation. Nationally consistent penalties will be introduced for cases where unsafe, unregistered or incorrectly registered equipment is found in the marketplace. Any jurisdiction will be able to act on behalf of all jurisdictions with respect to recalls, bans and the imposition of penalties. Implementing the new system ERAC has formed an Equipment Review Implementation Committee with membership including Victoria, South Australia, Western Australia, New Zealand and Queensland. The Committee has said work is currently underway on a national Regulatory Impact Statement (RIS), scheme rules and a national database. It is expected that the RIS will be released for consultation with industry later this year. The RIS will model four options for different levels of implementation. The scheme rules will be the governing document for the administration of the electrical equipment safety system. It is hoped that all regulatory authorities and certifying bodies are able to agree to abide by these nationally consistent scheme rules for electrical equipment approval and registration. This document will be going to ERACs Equipment Working Group for comment this year. Victoria is also at present working on the implementation of a new database which may become the National Electrical Equipment Registration Database, providing improved surveillance for regulatory authorities.
Changes to the Electrical Safety Regulation 2002 from 1 July 2008
A number of changes aimed at improving electrical safety were made recently to the Electrical Safety Regulation 2002 (the Regulation) and came into effect on 1 July 2008. The amendments included licensing, performance of live work, approval of electrical equipment and testing of electrical installations. The details of the changes are outlined below.
for a consumers installation. In this case the isolation point may not be reasonably accessible from the area where the electrical work is carried out.
out a visual inspection before reconnection. If the visual inspection shows that the installation has no serious defects, there is no requirement to test. However, if someone has performed electrical work on the installation then it must be tested to ensure the installation is safe to connect to the source.
Eligibility requirements for electrical licences (ss.34-38)
This applies to the licensing requirements for electrical mechanics, electrical lines persons, electrical fitters, electrical jointers and restricted electrical workers. Following recent national agreement, there have been changes to immigration arrangements to allow skilled migrants to apply to be assessed offshore rather than waiting until they arrive in Australia. The assessing authority must be approved under the Commonwealth migration regulations and they are required to issue a certificate stating that the applicants skills are suitable for the appropriate electrical licence. This does not mean the applicant automatically is granted a licence, as the certificate only meets part of the requirements for obtaining the relevant electrical work licence.
New on-the-spot fines
New on-the-spot fines have been introduced to help electrical safety inspectors to ensure that electrical workers and contractors are operating safely. On-the-spot fines can now be given for: failure by an electrical worker to comply with any conditions and restrictions on their licence when they perform or supervise electrical work (Act s.57) failure by an electrical contractor to comply with any conditions and restrictions on their licence when they perform electrical work (Act s.57) failure to test to ensure an electrical installation is safe before connecting to a source of electricity where electrical work has been performed (Regulation s.155) failure to perform visual inspection of part of an electrical installation to ensure there are no serious defects (Regulation s.155). Some minor amendments were also made on prescribed workplaces and fees as detailed below.
Qualified technical person for an electrical contractors licence (s.7)
This is an important change affecting all contractor licences. A contractors licence must nominate a qualified technical person (QTP) for that licence the person nominated as QTP must themselves have an appropriate, current electrical workers licence. Last year changes to the Electrical Safety Act 2002 were introduced which increased the range of disciplinary actions that could be taken against a worker or contractor who breaks electrical safety laws about the way electrical work is performed. One of the things that can happen if you are found to have done the wrong thing is that your licence can be suspended or cancelled, or you can be disqualified from being the QTP for a contractors licence. If this happens, the contractor has to nominate a new QTP to retain the contractors licence otherwise that contractors licence is no longer valid.
Electrical equipment approvals (s.97)
The electrical equipment approvals process has been made easier through recognising alternative standards. Previously, electrical equipment had to comply with the standards listed in Schedule 3 of the Regulation. This Schedule has now been comprehensively updated to reflect current and alternative standards for electrical equipment approvals. Also a process has been implemented to allow discretionary approval of alternative standards (for example, international standards) which are equivalent, or superior, to recognised Australian standards. The use of an alternative standard (i.e. one not listed ion Schedule 3) for electrical equipment approval is at the discretion of the ESO.
Update of Schedule 6A Prescribed workplaces
The Schedule has been updated to reflect the current 2006 edition of the Australian New Zealand Standard Industry Classification (ANZSIC).
Requirements for performance of live work (s.12)
Live work can be very dangerous, and Section 12 of the Regulation outlines all the requirements that must be followed if live work is to be performed. One of the requirements has been that, when doing electrical work, you must clearly identify the isolation point of the electricity supply for the electrical equipment you are working on. This isolation point must be able to be reached quickly without having to climb over or shift obstructions. An exemption to this requirement has been introduced for two special circumstances. One is electric line work. The other exemption is where electrical work is being carried out on the supply side of the main switch on the main switchboard
Testing disconnection and reconnection of low voltage electrical installation (s.155)
This amendment applies in situations where electricity is disconnected to enable people to work in an exclusion zone, and later reconnected. An example is disconnecting the power to a domestic residence to allow a painter to replace guttering around the house the painter would enter the exclusion zone created where the main supply wires come from the street pole and be at risk of touching the live wires. The amendment makes it clear that, if no electrical work was performed while the supply was disconnected, you must carry
Update of Schedule 7 Fees
The Schedule has been updated to reflect the Queensland Governments approved Consumer Price Increase figures. The full details of the amendments (Electrical Safety and another Regulation Amendment Regulation No.1 2008), are available on the Office of the Queensland Parliamentary Council website at www.legislation.qld.gov.au/LEGISLTN/ SLS/2008/08SL154.pdf.
We welcome your feedback on Electrical Safety Outlook. Contact us at email@example.com Electrical safety information 662 www.deir.qld.gov.au
Disclaimer The information provided in this publication is distributed by the Queensland Government as an information source only. The information is provided solely on the basis that readers will be responsible for making their own assessment of the matters discussed herein and are advised to verify all relevant representations, statements and information. State of Queensland (Department of Employment and Industrial Relations) October 2008.
Electricity Industry Bulletin No: 59 December 2005
FOR THE ATTENTION OF ALL ELECTRICAL WORKERS
1. CORE IDENTIFICATION OF XLPE INSULATED AND SHEATHED CABLES
Increased use of XLPE insulated and sheathed cable (in lieu of PVC insulated and sheathed cable), particularly as consumers mains, has raised issues of identifying active and neutral cores. One of the differences between the two types of cables is the colour identification of the core. PVC cable core insulation is always coloured and easily identifiable. XLPE cables commonly have a clear inner insulation and no identification as to whether they are active or neutral. Clause 3.8 of the Wiring Rules sets out the requirements of colour for intended use, core identification, and the types of materials that are permitted at the termination point. Some contractors are using a band of red tape around the sheath of the active conductor, and no identification on the neutral conductor; others are sliding heat shrink or other tubing over cables without fixing this in place.
Electricity Standards and Safety
Here is an example of incorrect identification, where only a band of red tape on the outer sheath of one cable was used as the identification of active and neutral conductors.
In both cases this is unacceptable, clause 3.8.2 states core identification shall be colourfast, permanent, non-conducting, compatible with the cable insulation and suitable for the location. This means the clear or other coloured core insulation (not the sheath) needs to be coloured with a suitable material for a minimum distance of 25mm from a termination, to identify the intended use of the cable. It must also be permanent and not easily removed. An Electricity Standards and Safety (ESS) inspector was recently called to a job where unfixed colour sleeving was used on XLPE consumers mains, which were directly connected to a service that was being upgraded. The line worker discovered that after removing the old service, the sleeving on the consumers mains had fallen off. Electrical contractors and electricians must ensure compliance with requirements as this may lead to confusion in the future and a safety hazard.
MELAMINE USED FOR WALL OVEN ENCLOSURES
ESS recently received an enquiry regarding the suitability of melamine sheeting used in the construction of kitchen cupboards and in particular, what evidence exists for the material to withstand temperature rise (heat) from wall ovens. The Australian Standard AS/NZS 4266.26:2004 Reconstituted wood-based panels Methods of test. Method 26: Determination of resistance to dry heat sets out the requirements for timber manufacturers to gain evidence that their product is suitable. If you or your building owners have any concerns about the suitability of the material, then ask the timber supplier for a copy of the test report to the above Australian Standard. Beware unsuitable melamine is available.
Electricity Industry Bulletin 59 December 2005
INVESTIGATION PROCESS DISCUSSED
ISOLATION OF CIRCUITS
ESS processes for investigating defective electrical work that is serious enough to consider for prosecution have been discussed with National Electrical and Communications Association (Tasmania Chapter). Electrical work that is contrary to the Wiring Rules is an offence under the Electricity Industry Safety and Administration Act 1997. Electrical contractors commit an offence if their employees do such work, unless the contractors reasonable diligence could not have prevented it. On hearing of defective work or other compliance issues, ESS assesses the information to hand but forms no final view until it hears from all concerned. Licence holders may get either: a letter from ESS a formal notice to attend an interview, or a request to produce documents (in very serious matters). In all these cases the options that are possible (such as no further action, rebukes, cautions, imposing licence conditions, disciplinary proceedings or prosecutions) are explained. If a formal interview takes place, it clarifies conduct and all relevant circumstances. At the interview, which is taped, the alleged wrongful conduct is set out. They are told of their right not to answer any questions, and are warned that any answer they do give can be later used against them. People can be accompanied at interview by someone not involved in the matter, but they must not obstruct the interview. Defective electrical work can prove fatal. Procedures that implement the law while respecting the rights of potential accused persons are vital.
Recent events have prompted a reminder to all licence holders and apprentices working on electrical parts of an installation, about the correct isolation of LV circuits. Please remember:
isolation of all relevant circuits must be confirmed with an appropriate tester. Do not assume you have the correct circuit or the only circuit the isolation point must be secured to prevent energisation by others the removal of a fuse wedge by itself is not considered adequate isolation an appropriate tag must be fitted at the isolation point indicating the name and contact phone number of the signatory tags shall only be removed with the permission of all signatories or in accordance with approved procedures unless you are working on the isolated circuit, approved double insulation (such as a junction box) must cover the live conductors earth continuity must be maintained to circuits that are re-energised after partial isolation. Guidance on the Tag and Lockout procedure can be obtained from AS/NZS 4836 Safe working on lowvoltage Electrical installations.
PUBLIC ACCESS TO ELECTRICAL CONTRACTOR LICENSING REGISTER
ESS now provides public access to some information on licensed electrical contractors. This is an alternative way for the public to verify the status of an electrical contractor. The information provided is limited to the electrical contractors licence number, name and locality. Details are only provided on current licence holders. Access is through the ESS website at www.wst.tas.gov.au/electricity and clicking on hot topics or licensing.
ELECTRICAL LICENSING BOARD OF TASMANIA (ELB)
OCCUPATIONAL LICENSING BILL 2005
The ELBs Annual Report was released November 2005. Copies are available from the ESS internet site at www.wst.tas.gov.au/electricity
On 9 November 2005 the Occupational Licensing Bill 2005 passed through the Legislative Council and will be an Act when the Governor signifies Royal Assent.
MAINTAINING THE INTEGRITY OF PARTY WALLS, FIRE WALLS AND USE OF FENCES
The integrity of fire walls must be maintained when installing an electrical installation on, in or through these walls. Electrical contractors need to be aware of the BCA requirements (copies available from the Australian Building Codes Board website at www.abcb.gov.au), as well as those set down in the Wiring Rules.
Electrical contractors are reminded of the responsibility to ensure that any electrical work that involves a party or fire wall must, as well as complying with the Wiring Rules, comply with the Building Code of Australia (BCA) and the Building Act 2000.
Building Act 2000 sets out the rights of owners and adjoining owners in relation to party walls and party structures where work is proposed to be carried out to it. Older residential properties commonly had a party wall. A typical example is an outbuilding with a party wall that is part of the property boundary (fence) or shared by another outbuilding on an adjoining property. Outside laundries are a good example. The wall was often constructed of timber and may only have lining on one side of the supporting structure. Party walls are also found in some commercial buildings. The electrical contractor must ensure that the electrical installation on one side does not interfere with the integrity of the wall or cause damage on the other side of the wall or fence in the adjacent property. It may well be that power tools or fixing screws could protrude through to the other side of the wall causing damage to services, fixtures and fittings or worse, cause injury to people. The best strategy is, if possible, not to install any part of the electrical installation on a party wall.
UNLICENSED ELECTRICAL WORKERS FINED
Cornelius James Leary appeared before Magistrate Don Jones on 7 March 2005, charged with unlicensed electrical work and taking electricity without proper authority. Mr Leary was fined $1,000 for performing electrical work without proper authority at 16 Mornington Street in Burnie and fined a further $2,000 (plus court costs) for taking electricity without proper authority. There was a compensation order made in favour of Aurora Energy Pty Ltd and an order for the destruction of property seized. Brian Thomas Gibson appeared before Magistrate Don Jones on 27 June 2005. Mr Gibson was sentenced for offences occurring from 1 January 2000 to 17 October 2003 at 477 Camena Road, Camena, including: carrying out electrical work when not authorised to do so unlawfully interfering with an electrical installation. Mr Gibson had a conviction recorded for these offences. He was fined $2,000 (plus court costs).
In general, it is not acceptable to install a permanent electrical installation on a wooden or metal-clad fence. These types of fences are not regarded a permanent structures for this purpose.
The BCA details the technical installation requirements where electrical, electronic, plumbing, mechanical ventilation, air-conditioning or other services penetrate fire-resistant walls in buildings. Detailed requirements are included in clause C3.15 of the BCA for the different types of installation, which include wires, cables and electrical switches and outlets.
John Hammersley and staff at Electricity Standards and Safety wish you all a safe and Merry Christmas and a Happy New Year.
Office Hours over Festive Season Close 3.00pm Friday 23 December Reopen 9.00am Tuesday 3 January
Aurora Energy Compliance Group have performed an audit of all electrical contractors to see if Electrical Installation Notices have been submitted according to the regulatory requirements and the statement made on Electrical Work Requests of work completed. This data has been collated and action is being considered as to whether nominated managers under the licence are fit and proper to hold such position.
INSTALLATION OF ELECTRIC HEAT PUMPS NEAR LP GAS EQUIPMENT
ESS has been advised that recent audits of LP gas installations have identified non-compliant issues with the Australian Standards AS/NZS 1596 The storage and handling of LP Gas and AS/NZS 2430.3.4 Classification of hazardous areas Part 3.4 Examples of area classification Flammable gases. The main concern has been the installation of the heat pump outdoor unit within the hazardous zones of existing LP gas installations. Electrical contractors who are involved in installing heat pumps need to be fully aware of the hazardous zoning around LP gas bottles. Examples of all the zoning measurements for LP gas bottles are located in AS/NZS 2430.3.4.
REMINDER OF THE CURRENT REQUIREMENTS Preliminary Installation Notices (PINs)
These notices have, to a degree, been replaced by Aurora Energys EWRs; however, they are still required at the commencement for: projects where the new work exceeds 100amps per phase all electrical work in hazardous areas all electrical work on high voltage multiple domestic installations any unusual installations where compliance inspectors may need prior notification.
RENEWING ELECTRICIANS LICENCES ONLINE
In November 2005, ESS introduced a faster and simpler way for renewing e l e c t r i c i a n s licences. ESS invites all electricians to renew their licence online when they fall due through our website at www.wst.tas.gov.au/electricity We have chosen only electricians at this stage to use the online system, as we would like to ensure smooth operation before extending it to other licences. All electricians will still be mailed a paper renewal application form as normal. You can renew your licence either online or using the paper application form, but please dont use both. If you go online, the process is simple and fast. Follow the prompts and enter your licence number and date of birth; check your details; answer the fit and proper questions then go to the secure site for payment details. You will also be able to print a receipt for your records. Your information will come to the ESS office and we will then issue your licence card as normal. A receipt will be sent to you with your card.
Electrical Installation Notices (EINs)
Forms are a regulatory requirement. Originals are required (no faxed copies are permitted). Lodge at Hobart, Launceston and Ulverstone as appropriate, according to addresses on top of the EIN form. Lodge within three days for alterations and additions or immediately after the completion of new work (see bulletins 52 and 55 for work considered minor electrical work).
Electrical Work Requests (EWRs)
This form is an Aurora Energy requirement. Original or faxed copies are accepted. Lodge at Rocherlea only, according to details on top of the current form. Lodge when the electrical contractor or customer request Aurora Energy to perform a function (for example POA or metering).
LOW VOLTAGE NEUTRAL CURRENTS
Earthing and neutral systems cause more confusion in the trade than just about any other area. To understand what can happen, you need to understand how low voltage distribution systems work.
Since the local earth resistance is often quite high, the MEN point could potentially rise to 200 volts or more (above true earth). In the above circuit, the same current is flowing through the customers load and the MEN. The 250V supply voltage will be divided in accordance with the circuit resistance. Total resistance is 110 (10 + 100) ohms, so the voltage across each element will 10/110 and 100/110 multiplied by 250V. If there is a high resistance joint in the neutral, the neutral could experience a voltage fluctuating between zero and 200 volts as above. At the same time, the customers supply voltage could fluctuate between normal and a very low value. This is usually the first sign of a neutral problem. In typical three phase systems with multiple customers and MEN points, voltage rise will usually be less than 50 volts, but could be more, depending on the neutral current and number of customers and load. If: the customer reports badly flickering lights, and/or the customer reports shocks from exposed metal, and/or a voltage greater than 3 volts is measured at the MEN point then a bad neutral is the first suspect.
In the above sketch, you can see that load current in a single phase low voltage line will cause voltage drop in the neutral. This is not so pronounced in three phase systems, because they tend to be reasonably balanced. However, no three phase line is perfectly balanced, so neutral currents always flow. Voltage drop in the neutral means several things: (a) The MEN point at each customers installation will rise above true earth potential. (b) The earth provides a parallel path for neutral currents back to the substation earth. (c) Any metallic object (such as the main earth stake or water pipe) connected to the MEN and to earth will carry neutral current. (d) A person simultaneously touching a true earth and anything connected to the MEN point will experience a voltage. Typical symptoms of unbalanced low voltage distributors include measurable current in water pipes, voltages of up to 3 volts between the MEN point and true earth, and electric tingles felt when touching a tap particularly in the shower. In the above circuit, if a water pipe with an earth resistance of, say, 0.5 ohms is connected to the neutral, several amps will flow into the pipe. These symptoms are not rare there are always some unbalance voltages and currents in low voltage distributors. The only question is, are the symptoms bad enough to trigger corrective action? Apart from balancing the load on the distributor, there is not much that can be done to alleviate this situation economically. Measurements have been recorded of several amps in water pipes connected to MEN points, with only a volt or so, and the low voltage distributor operating quite normally. The problem becomes worse in the case of a bad neutral connection. Consider a customer connected to a single phase overhead line. If the neutral is open-circuit, the whole load current will flow from the MEN point into the earth.
Carry out some basic checks first. Turn off the main switch and check the switchboard wiring, and then check incoming voltage again. If the problem is still there, then the supply is probably at fault. If the problem has disappeared, try connecting one circuit at a time. If the problem appears when any load is connected, then the problem is likely to be either Aurora Energys service or the customers unmetered mains. If you believe the problem is in the supply, immediately report this to Aurora Energy on telephone 132 004.
Supply Voltage Changes
Changes to Australian Standards, including the Wiring Rules, have resulted in Australia adopting 230 volts as our standard voltage. Most Australian distribution companies still operate a supply voltage of 240 volts. Reprinted with permission from the office of Electrical Safety Unit, Northern Territory Government.
IXL APPLIANCES - FITTED FLEECY ELECTRIC BLANKET CONTROLLERS
Detachable electric blanket controllers. Fitted to models Single (62105FFS), Double (62205FFD), Queen (62305FFQ), and King (62405FFK), with temperature controller part number IXL_MC_100. Design flaw in the interconnecting cable between the controller on the blanket. In some cases this may cause a short circuit and burning of the cables outer insulation. Consumer Action: Cease use of the product and return it to the place of purchase or any Dick Smith Electronics, Dick Smith Powerhouse or Tandy store.
DICK SMITH ELECTRONICS - DIGITOR BRAND AC ADAPTORS
Catalogue numbers M9642, M9916, M9917, M9921, M9923, M9925. Some units sold between 10 February 2005 and 15 May 2005 have a plastic moulding defect which can allow the products casing to partially separate. Consumer Action: Consumers who have these models or are uncertain of the blankets model number should call 410. Controllers will be replaced free of charge.
LG ELECTRONICS AUSTRALIA PTY LTD - DISHWASHERS AND WASHING MACHINES
Washing machine model number WD-8013F. Serial numbers 204KW00001 to 306KW99999, manufactured between April 2002 and June 2003. Dishwasher models LD-12AS1, LD-12AW2, LD-14AW1, LD-14AW2, LD14AT1, LD-14AT2 and LD_4050W. Serial number range is 111KW00001 to 306. Consumer Action: Contact the customer information line on 154 to arrange an appointment. LG service representatives will visit to replace the circuit board free of charge.
For further electrical recalls and precise product information, defect details and consumer action, visit the Product Recalls Australia website at www.recalls.gov.au
Department of Infrastructure Energy and Resources
30 Gordons Hill Road, (PO Box 56) Rosny Park, Tasmania, 7018 firstname.lastname@example.org
Telephone: Facsimile: Website:
(03) (03) www.wst.tas.gov.au/electricity
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