In the 120V circuits of homes and offices, the grounded conductor is the same as the neutral. Typically, when wiring a switch for a 120V load (e.g., a light) only one wire comes to the switch and only ...

Did you know slips, trips and falls are some of the most common home safety hazards? Say goodbye to stubbed toes and bruised shins. Add a four-way switch and walk with confidence.

This article discusses many common misunderstandings about the function of the neutral wire and its relation to power problems. The subjects of dedicated lines, phase reversal, isolation transformers, ...