In medical locations, it is necessary to ensure the safety of patients likely to be subjected to the application of medical electrical equipment. Here, Dale Fisher MIET MIHEEM MSOE, looks at the considerations that professionals need to make when installing equipment in such locations. Introduction It’s important to start this article by explaining some of ...

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Hager’s Technical Training Manager, Paul Chaffers, discusses the importance of providing additional fire protection, following the mandated use of Arc Fault Detection Devices (AFDD) in the latest Edition to the Wiring Regulations BS 7671:2018+A2:2022. Way back in 2008 the 17th Edition of the Wiring Regulations was released and contained a new section “532 Devices for ...

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It would appear that many people, including some whose work requires involvement with electrical installations, are not aware of the differences between earthing and bonding. This article outlines their different, but equally important, functions within an installation. In general, virtually all electrical installations will require both earthing and bonding in order to meet the requirements ...

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Richard Townsend, Principal Technical Author at NAPIT, looks at the problems facing designers who may be specifying heavy current using equipment connected to consumer units. Calculate or determine? That’s the question Calculating the maximum demand of an installation’s capacity using diversity, along with taking account of equipment ratings, has always been a dark art. There ...

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In this regular column, ‘Dr Zzeus’ Tom Brookes, MD of Zzeus Training and chairman of the FSA, will answer your questions related to fire safety compliance. This month’s covers inspection periods and processes… Q. We’ve just changed fire alarm service companies to save money in the current climate. When I questioned why the new company ...

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The experts at NICEIC provide more detail on the installation of equipment in meter boxes. Electrical equipment associated with the consumer’s electrical installation is increasingly being found within the meter cabinet of domestic and similar premises. The space within such cabinets is limited and typically allocated for specific usages by the distributor and energy supplier ...

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Electrium provides a brief overview of one specific update in the Corrigendum: overvoltage protection. It’s now well documented that the IET has updated certain requirements in Section 443 of BS 7671 Amendment 2. Those requirements relate to providing protection against transient overvoltages of an atmospheric origin or due to switching. The revised requirements of Regulation ...

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This article from the experts at NICEIC will remind contractors of the need to apply due diligence when installing cables in thin walls and/or partitions, especially where there is access to both sides. A cable embedded in a wall or partition at a depth of less than 50 mm from the surface can be vulnerable ...

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In this article Julian Grant, General Manager of Chauvin Arnoux UK, will look at one of the most important, but often overlooked, parameters associated with electrical installations big and small. In simple terms, the ‘Maximum Demand’ of an electrical installation is the maximum amount of current it is ever likely to draw from its supply. ...

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The column where you get to put your lighting questions to the head of the Ovia lighting business, Mike Collins, and his team of technical experts. Q. CAN YOU PROVIDE DETAILS OF THE BAN ON FLUORESCENT LAMPS WHICH CAME INTO FORCE IN FEBRUARY THIS YEAR AND ALSO LET US KNOW WHAT ALTERNATIVE PRODUCTS CAN BE ...

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