Rcd Controlled Circuits Fuse Box. Rcds offer a level of personal protection that ordinary fuses and circuit breakers cannot provide. Once you know that you can proceed to unplug all devices on that circuit and then restore power to.
An rcd or residual current device is a life saving device which is designed to prevent you from getting a fatal electric shock if you touch something live such as a bare wire. Sometimes it will appear that every circuit causes the device to operate this is usually a symptom of a neutral fault and really is a job for a skilled electrician. Rcds offer a level of personal protection that ordinary fuses and circuit breakers cannot provide.
Circuit breakers can look the same but an rcd safety switch will have a test button located on the front usually with a t symbol on it.
Split fuse board with single rcd least common although still about if your consumer unit looks like the one above. Fused connection units will remove the power supply from the boiler and water heater in the same way removing a plug would for rcd tripping troubleshooting. B residual current devices rcd these are switches that trip a circuit under dangerous conditions and instantly disconnect the electricity. It can also provide some protection against electrical fires.
