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

MCBs, RCDs and RCBOs Explained: Which Circuit Protection Does Your Install Need?
Trade guide to MCBs, RCDs and RCBOs: what each does, when to use an RCBO vs MCB+RCD, 18th Edition requirements, and Type A vs Type AC. From APM Electricals, Acton W3.
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July 18, 2026

MCBs, RCDs, RCBOs and Consumer Units: A Practical Guide for Electricians
Circuit protection is one of the most critical elements of any electrical installation.

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July 18, 2026

RCD, RCCB, and RCBO Protection: Types, Testing, and Selection for 18th Edition Compliance
RCD, RCCB, and RCBO Protection: Types, Testing, and Selection for 18th Edition Compliance Residual current devices (RCDs) are the front line of shock protection in UK electrical installations. The 18th Edition of BS 7671 — along with Amendment 2 (2022)...
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July 18, 2026

MCBs and Circuit Protection: B, C, and D Curve Selection, Current Ratings, and Selectivity
Miniature circuit breakers (MCBs) are the workhorses of modern domestic and commercial electrical installations. Every circuit in a consumer unit is protected by one — yet the choice of MCB type, current rating, and tripping curve is frequently misunderstood or defaulted to "whatever fits." Getting
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UK Plumbing & Electrical News

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

MCBs, RCDs and RCBOs Explained: Which Circuit Protection Does Your Install Need?

MCBs, RCDs, RCBOs and Consumer Units: A Practical Guide for Electricians

RCD, RCCB, and RCBO Protection: Types, Testing, and Selection for 18th Edition Compliance

MCBs and Circuit Protection: B, C, and D Curve Selection, Current Ratings, and Selectivity

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