| http://www.w3.org/ns/prov#value | - The last chapter, on troubleshooting and repairs, is a guide to diagnosing and remedying common problems such as blown fuses or tripped breakers, broken switches and receptacles, and lamps and doorbells that don???t work???information that can be used by people who never intend to undertake an electrical installation but want to be able to maintain the electrical equipment they depend on each day.
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