The Masterplug RCD Adaptor is a plug-in safety device designed to protect users from electric shock when operating power tools and electrical appliances. This compact unit simply plugs into a standard UK mains socket, creating an additional layer of protection by continuously monitoring the electrical supply for earth leakage faults. The RCD adaptor responds within 40 milliseconds if it detects an earth current fault, cutting power fast enough to prevent potentially fatal electric shock. This ra
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