Before you attempt to fix a faulty light switch, make sure you understand the basics of light switch wiring.

A gangly-looking motion detector floodlight is fine for scaring off a backyard intruder, but it doesn't look good on your ...

Luminaires designed for end-to-end connection, or connected together by wiring methods, can contain a 2-wire branch circuit or one multiwire branch circuit to supply the luminaires.