We may earn a commission from links on this page. If you have a room with no overhead light fixture, or one in which the main light switch isn’t convenient, you can solve your problem by adding a ...

Switches controlling line-to-neutral loads must have a neutral conductor installed at a switch serving bathrooms, hallways, stairways, or rooms suitable for human habitation or occupancy, as defined ...

The wall outlet that serves your home office desk is dead. There goes your productive morning. Now what? As annoying as the above scenario is, diagnosing and repairing a non-functioning outlet is ...

When clients call you because operating problems on pieces of their 120V equipment cause them to suspect their facility's power supply, you have to decide where to start your investigation. Don't ...

While standard receptacles typically use three wires -- hot, neutral and ground -- you'll occasionally find 2-prong outlets in older homes. Since this type of outlet lacks a ground connection, the ...