The aim of this article from the experts at NICEIC is to explain the operating characteristics of the protective multiple earthing (PME) earthing facility, a type of TN-C-S system, which is commonly provided for both new and existing electrical installations. In a PME arrangement the supply neutral conductor functions as both protective and neutral conductors ...

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2024 is looking to be a big year for Quickwire as they bring their latest products to market: 2 new Quickwire junction boxes for power connection. The new additions to the Quickwire range are 2 and 4-way splitter junction boxes for use with 2.5mm cable and rated at 24A. These clever new products open up ...

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Talented electrotechnical students are being encouraged to register for this year’s SkillELECTRIC competition. The application window is now open and runs until 28 March 2024. The event is part of the WorldSkills UK competition network and is designed to promote and showcase high standards and skills across the electrotechnical industry. During the competition, entrants will ...

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This article from the experts at NICEIC aims to provide guidance for contractors when required to install a consumer unit and/or similar switchgear manufactured from a noncombustible material meeting the requirements of regulation 421.1.201, in a domestic installation forming part of a TT system earthing arrangement. Where an installation forms part of a TT system ...

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Hager’s Technical Training Manager, Paul Chaffers, discusses the importance of providing installations with surge protective devices (SPDs) and looks at requirements and considerations of BS 7671:2018+A2:2022. In our everyday life, we’re surrounded by electrical equipment which may contain sensitive electronic components. Such products are vulnerable to transient overvoltages and can have their lifespan significantly reduced ...

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The technical experts at NAPIT look at different installation methods and the mechanical protection requirements for each. Installation or wiring methods? Whenever we speak to contractors or they ask our advice on an installation or wiring type, there is often some confusion over the different installation methods and how they can be used. Let’s be ...

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Depending on the particular characteristics of the ‘electronic’ loads and controls connected to an electrical installation, an RCD could be exposed to a range of residual current waveforms and frequencies. Unless RCDs are selected that are compatible with the loads and other devices connected, the protection intended may be compromised, as the experts at NICEIC ...

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Frank Bertie, Chief Technical Officer at NAPIT, explains when to use an intended departure. When we look at a completed electrical installation or minor works electrical installation certificate, there are several areas where the information may be incorrectly recorded. One of the most common errors is where the ‘departure’ fields have been completed and have ...

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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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