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Circuit breakers

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RCDs

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RCDs

Residual current devices are also known as an RCD. Designed to prevent fatal electrical shocks from touching bare wiring carrying live currents. They are electrical safety switches that remove the supply to an electrical circuit when the circuit is unsafe. They trip circuits which are a vital mechanism in preventing electrical fires starting. Faulty appliances when overheating will have their current earthed to halt further heating.

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