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, RCBOs, and Consumer Units — Circuit Breaker Types, Sizing, and Replacement for UK Electricians
MCBs and RCBOs protect UK electrical circuits from overcurrent and earth faults. This guide covers Type B vs C curves, RCBO advantages, 18th Edition Amendment 3 metal consumer unit requirements, and MCB sizing from 6A lighting circuits to 32A electric showers.
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July 18, 2026

Electric Showers — Wiring, Installation, and kW Selection for UK Electricians
Complete guide to electric shower installation for UK electricians — circuit protection, cable sizing, kW selection, and BS 7671 Part P compliance.
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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.
Read now
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

RCBO vs MCB: When Do You Need a Full RCBO Consumer Unit?
RCBO vs MCB: When Do You Need a Full RCBO Consumer Unit? Since the 18th Edition Amendment 2 came into force in September 2022, the question of whether to fit a dual-RCD board or a full RCBO board has become...
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July 18, 2026

LED Strip Lights Tripping Your RCD or RCBO? Here is the Fix
Troubleshooting guide from APM Electrical for LED strip circuits tripping RCDs. Learn about inrush current issues, neutral imbalance problems, and professional solutions to prevent circuit tripping.
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July 18, 2026

Electric Showers — Wiring, Installation, and kW Selection for UK Electricians
Complete guide to electric shower installation for UK electricians — kW selection, dedicated radial circuit requirements, cable sizing, Type A RCBO protection under BS 7671:2018+A2:2022, bathroom zones, and step-by-step first and second fix.
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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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UK Plumbing & Electrical News

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

MCBs, RCBOs, and Consumer Units — Circuit Breaker Types, Sizing, and Replacement for UK Electricians

Electric Showers — Wiring, Installation, and kW Selection for UK Electricians

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

RCBO vs MCB: When Do You Need a Full RCBO Consumer Unit?

LED Strip Lights Tripping Your RCD or RCBO? Here is the Fix

Electric Showers — Wiring, Installation, and kW Selection for UK Electricians

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

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