AC WIRING WHITE

Wires into home. Usually,three copper wires come into the home. Two are covered in black insulation and one has white insulation. Sometimes one wire is red instead of black. Each black or red wire is called a "hot" wire and has 120-volt AC. The white wire is called the "common"and is grounded at the power station.
Alternating Current (AC) Home Wiring by Ron Kurtus
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Alternating Current in Electronics: Hot, Neutral, and
Alternating Current in Electronics: Hot, Neutral, and Ground Wires. Related Book. Electronics All-in-One For Dummies. Neutral: The white wire is called the neutral wire. It provides the return path for the current provided by the hot wire. The neutral wire is connected to an earth ground.
How to Wire a Switch With White, Black and Ground Wires
Dec 20, 2018The hot wire in a 120-volt residential AC circuit usually is coated with black insulation, while the return, or neutral, wire is white. A single-pole, single-throw switch — such as a light