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> Shut off the power at the main disconnect before changing a fuse
> Shut off the power to the circuit before repairing or replacing a switch, receptacle or fixture
> Tape over the main switch, empty fuse socket, or circuit breaker, empty fuse socket or circuit breaker when you're working. Leave a note there so no one will accidentally turn on the electricity. Keep any fuses you've removed in your pocket.
> Check that the circuit is actually dead before you begin working on it. Use a circuit tester or voltmeter & ammeter
> Unplug any appliance or lamp before repairing it
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