Testing an RCD to the Minimum Requirements #ElectricalTesting | GSH Electrical Training

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What is an RCD you ask 🤔 Read on… It is an electrocution protection device. Circuit breakers and fuses are there to protect against overloading and fire risk. But they do not protect you from getting shocked. RCDs or safety switches are designed to save lives. If power leaks from the circuit. Like through a human body. They shut it off in milliseconds. If you touch a live wire and there is no RCD. That current might go straight through you. In older homes… Ovens, air cons and hot water systems