UK Plumbing & Electrical News

July 18, 2026

Consumer Units, MCBs, and RCBOs: Selecting and Installing a Split-Load Board to BS 7671:2018
A complete guide to consumer unit types, MCBs, and RCBOs for UK electricians under BS 7671:2018 Amendment 2 (2022). Covers split-load and all-RCBO boards, MCB tripping characteristics, RCD types and sensitivity, consumer unit sizing, installation steps, testing, and Part P certification requirements.
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July 18, 2026

Surge Protection Devices (SPDs) — Transient Overvoltage Protection and Lightning Protection for UK Electricians
Surge protection devices (SPDs) are now a mandatory consideration under the 18th Edition of BS 7671 Amendment 2. This guide covers Type 1, Type 2, and Type 3 SPDs, the 18th Edition risk assessment process under Regulation 443.4, location and wiring requirements, voltage protection levels, TT system coordination, and documentation obligations for UK electricians.
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July 18, 2026

RCD, RCBO or SPD: How to Choose a Consumer Unit
Not sure whether to specify an RCD, RCBO or SPD consumer unit? This plain-language guide explains the differences, 18th Edition requirements, and when each type is the right call.
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July 18, 2026

Surge Protection Devices and Arc Fault Detection Devices: What UK Electricians Need to Know Under BS 7671:2022
Amendment 2 to the 18th Edition Wiring Regulations (BS 7671:2022) made surge protection devices (SPDs) and arc fault detection devices (AFDDs) expected — and in some cases mandatory — on new installations. This trade guide covers what each device does, when it is required, and what to specify for consumer unit work in domestic properties.

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UK Plumbing & Electrical News

Consumer Units, MCBs, and RCBOs: Selecting and Installing a Split-Load Board to BS 7671:2018

Surge Protection Devices (SPDs) — Transient Overvoltage Protection and Lightning Protection for UK Electricians

RCD, RCBO or SPD: How to Choose a Consumer Unit

Surge Protection Devices and Arc Fault Detection Devices: What UK Electricians Need to Know Under BS 7671:2022

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