When dealing electricity, safety has the top priority, every electrician must be particularly conscientious when safety is concerned and must apply the required protective measures correctly. In consumer's installations, residual current protective devices must be given unreserved preference over alternative protective devices.
In addition to the fault protection, residual current protective devices with rated residual currents up to 30mA also provice additional protection in case of direct contact. Fires caused by ground-fault currents can also be prevented at a every early stage.
To be continued