Cathodic protection transformer-rectifier units are often custom manufactured and equipped with a variety of features, including remote monitoring and control, integral current interrupters and various type of electrical enclosures.
2.
Residual-current devices, also known as ground-fault circuit interrupters and appliance leakage current interrupters, are used to detect " ground faults "-leakage of current to somewhere other than the neutral and line wires ( like the ground wire or a person ).
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