Section 443 of BS 7671:2018+A2:2022 contains requirements for protection against transient overvoltages either of atmospheric origin or due to switching. Where the application of overvoltage protection measures are required, regulation 443.1 specifies that any surge protective devices (SPDs) should be selected and erected in accordance with Section 534 of that standard. This article looks at ...

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Amid increased focus on the challenge of improving the energy efficiency of the UK’s housing stock, NICEIC is calling on all trades to come together to enable the meaningful collaboration and innovation needed to solve the great retrofit challenge. According to the Energy Saving Trust, the UK’s 30 million homes account for more than 21% ...

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This article looks at Chapter 82 of BS 7671 and embedded renewable sources, either used in conjunction with the existing supply for an installation or as an alternative and independent source of electrical energy forming a prosumer’s low-voltage electrical installation (PEI). Many consumers have been moving towards energy saving measures over the past few years, ...

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As the UK continues to lead the way in energy storage investment, NICEIC is encouraging electricians to start upskilling to prepare for growing demand and, in turn, help play a lead role in the clean energy transition. Amid rising energy prices and a sense of growing eco-responsibility, recent years have seen an unprecedented increase in ...

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This article from the experts at NICEIC provides guidance on the use of the metallic armouring of a cable as a circuit protective conductor (cpc), main protective bonding conductor or where practicable, an earthing conductor. Although the main purpose of the metallic armouring is to provide mechanical protection, it may also be used as a ...

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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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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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NICEIC, the UK’s leading certification body for the building services industry, is proud to announce the addition of the Installation Electrician Experienced Worker Assessment (EWA) to its broad training portfolio. This industry approved pathway offers experienced electricians, who might not have completed an apprenticeship or secured a Level 3 vocational qualification (or equivalent), a formal ...

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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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NICEIC, a leading certification body for the electrical contracting industry and wider building services sector, will attend ELEX 2024. ELEX, the dedicated trade show for electrical professionals, kicks off on 29 February at Alexandra Palace in London. Shows are then set to follow in Bolton, Exeter, Harrogate, Coventry, and Surrey. NICEIC Event Manager, Sarah Hunter, ...

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