To wire a light switch, you will need to turn off the power to the circuit at the breaker box before starting. Then, you will need to identify the hot wire (usually black), the neutral wire (usually white), and the ground wire (usually green or copper).
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Connect the hot wire to the brass-colored screw on the switch.
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Connect the neutral wire to the silver-colored screw on the switch.
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Connect the ground wire to the green screw on the switch or to the grounding wire in the electrical box.
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Secure the switch in place and then turn the power back on to test if it's working properly.
If you are unsure or uncomfortable with electrical work, it is best to consult a professional electrician for assistance to ensure safety and proper installation.