Why should you always switch off a circuit before replacing a fuse?
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The wiring and equipment are protected by a fuse. The wires would get hot if something went wrong and the fuse wasn't there. Before changing a fuse, you should switch off the live wire.
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The wiring and equipment are protected by a fuse. The wires would get hot if something went wrong and the fuse wasn't there. Before changing a fuse, you should switch off the live wire. .
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