Why does a light switch have two black wires?
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Answer

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Step 1
I'll explain why a light switch typically has two black wires in a clear, step-by-step manner:

Step 2
: Understanding Basic Electrical Circuits

In standard electrical wiring, black wires are used to carry the "hot" or live electrical current. The presence of two black wires on a light switch is related to how electrical circuits are configured.

Final Answer

A light switch has two black wires to manage the incoming electrical power (line) and outgoing power to the light fixture (load), allowing for controlled electrical flow.

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