Issue 34
Articles include:
- Supplies to electric vehicles for charging purposes - A brief overview: In this article we take a closer look at the power requirements for charging electric vehicles, the types of electric vehicles, the existing standards relating to equipment for charging electric road vehicles, connections to the vehicles, and the requirements for the electrical installation supporting the connection of an electric vehicle to the fixed electrical installation.
- Construction Skills Certification Scheme: The IET receives queries relating to the Construction Skills Certifi cation Scheme (CSCS). These queries range from tradesmen who want to work in the construction sector to members of professional bodies such as the IET whose job function may on occasion require their presence on construction sites. This article will briefly look as various aspects of the scheme including the types of registration, affiliated schemes and the electrotechnical scheme.
- Types of person and the requirements of the Wiring Regulations Part 2: In the last edition of Wiring Matters we looked at the types of person recognised by the Wiring Regulations, the skills sets that they possessed and the differences in their abilities. In this article we will consider particular requirements within BS 7671 where the type of person involved is of some significance.
- Testing of Multipole RCDs: The IET’s technical helpline has taken a number of calls of late asking how three- and
four-pole RCDs operate and how they are to be physically tested. This article looks to answer these and related questions.
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Issue 35
Articles include:
- Future developments in International Standards for electrical installations - LVDC Distribution and energy efficiency: The IEE Wiring Regulations (BS 7671:2008) are based on European Standards, which in turn are usually based on international standards.
- Automatic disconnection of lighting circuits from dimming equipment: With the inclusion of dimming or control equipment within a lighting circuit, values of earth fault loop impedance at different parts of the circuit may be affected by the variation of the electrical supply to the load and the inclusion of electronic circuitry.
- Electrical Panels Update: Following up from Wiring Matters (2009, Issue 33), we provide a brief update to the latest
standards in the area of Electrical Panels. - Guide to Electrical Installation work in Scotland: Detailing significant changes to the regulation of electrical installation work in Scotland.
- The ECS and you - An in-depth look at the Electrotechnical Certification Scheme (ECS): The last issue of Wiring Matters provided an overview of the Construction Skills Certification Scheme and affiliates such as the Electrotechnical Certification
Scheme (ECS), which is specifically for the electrical industry. As legislation and restrictions around construction site access become tighter, the need to own the right competence card for your
occupation is paramount. - Developments of Low-Voltage Fuse Standards - Referenced in BS 7671:2008: The UK national committee for the development of BS 7671 (JPEL/64) currently has a programme to develop amendment 1 of BS 7671:2008. As part of this programme it has been highlighted that there has been some developments in the low-voltage fuse standards that are included in the requirements of BS 7671:2008. This article will briefly describe the relevant developments in low voltage fuse standards, how these affect what is published in BS 7671:2008 and finally an insight into future developments of fuse standards.
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Issue 36
Articles include:
- The impact of Amendment Number 1 of
the 17th Edition: We look at the impact that some of the changes expected in Amendment No 1 of BS 7671:2008, the IEE Wiring Regulations (17th Edition), will have on the design, erection and verification of electrical installations. - Electrical fixtures in furniture: Technical Committee 64 of The International Electrotechnical Commission (IEC) is currently developing a new area of work entitled ‘Furniture’ with the proposed standard number of IEC 60364-7-713. This article looks at the proposal from IEC and how electrical equipment fixed into furniture is currently electrically supplied.
- The Microgeneration Certification Scheme: The Microgeneration Certification Scheme (MCS) has been implemented to certify both microgeneration products and installers against a defined series of standards. This enables consumers to have better protection and confidence in what products have been used and who to use when deciding to install microgeneration.
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Issue 37
Articles include:
- Smart electricity meters: A roll-out programme to introduce smart electricity
meters into consumers’ homes starts in 2012. - Wiring Regulations Digital in practice: The Wiring Regulations and some supporting publications are now available in e-book format. There are two packages, designed for domestic and industrial installers, and there is a free trial of the industrial package for a limited period.
- The Prevalence of Sub-standard Installation Cables in the UK: The quality of installed cables has come under a good deal of scrutiny from the Approved Cable Initiative. The results of the ACI’s tests are alarming. Here we look at what was found, and what can be done to rectify a serious problem.
- Solar photovoltaic (PV) power supply systems: This article looks to aid the understanding of some of the complex issues associated with PV installations.
- Development of Standards: Do you know the process that supports the development of standardisation? Here we discuss some of the key aspects towards making electrical installations as safe as possible.