Question

In electrical wiring,the black insulation is usually​

Answer 1

Explanation:

Any circuit's black wire should be considered hot or live. Black wire is never used for a ground or neutral wire and should be used as the power feed for a switch or an outlet. A black wire is often used in a circuit as a switch leg, the connection that runs from the switch to the electrical load.

Answer 2

Explanation:

Black insulation is always used for hot wires and is common in most standard household circuits. The term "hot" is used for source wires that carry power from the electric service panel to a destination, such as a light or an outlet.