After a black or red wire carries electricity to a light, appliance or device, the neutral returns it to the electrical panel. The NEC allows grounded conductors to be white or gray or have three ...

A switch or a fuse in an electrical circuit is always connected to the live wire so that the socket or appliance is not live when switched off. If the switch or fuse is placed in the neutral wire ...

Neutral wire Copper wire coated with blue plastic ... if there is a fault A fuse provides a built-in fail-safe to the electrical circuit for a device. The fuse contains a thin wire that will ...