18th Edition

All About RCDs

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RCD description An RCD ‘Residual Current Device’ is an electrical device that monitors the current flowing through either an individual circuit such as with an RCBO ‘residual current operated circuit-breaker with integral overcurrent protection’ or when supplying multiple circuits usually within domestic installations using an RCCB ‘residual current operated circuit breaker without integral overcurrent protection’. … Read more

Introducing, 18th Edition +Amendment 2

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BS7671:2018+A2:2022 Let’s take a quick run through the new 18th Edition Wiring Regulations book, which includes Amendment 2 that was introduced in March 2022, BS7671:2018+A2:2022. We’ll go into more detail and get you ready to pass your 18th Edition exam when we go through the book together fully in your 18th Edition online course at … Read more