20th September 2018

sfgate
14

Is wire with writing on it the hot wire?

In most modern fixtures the neutral wire will be white and the hot wire is red or black. In this case, the neutral wire is always identified by some means. In some cases, there will be small writing on the wiring case. In others, there are small ridges or indentations on the insulation.

Keeping this in view, what does it mean when white wire has black tape?

Ground wires (grounding conductors) have either a green insulation jacket or they are bare wires. Neutral wires (grounded conductors) should be white. A white tape band indicates that the wire is a neutral, black or red tape indicates hot, and green means ground.
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