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Wiring Repairs Current with 2011-2013 Electrical Codes by Black and Decker | PDF Free Download.
“Repair” and “wiring” are two words you don’t see together too much anymore. In most cases of an electrical failure, the repair is to replace the failed device.
But it may also be reconnected to a bad splice or a loose connection. The electrical items that most frequently require actual repairs are light fixtures.
If you include lamps and cords in this category, you’ve pretty much covered it. Most electrical failures result from poorly made connections in the original installation.
Exceptions are switches, which tend to wear out over time and require replacement, and ceiling fans. Ceiling fans are unique in that, like switches, they contain moving parts—and rapidly moving parts at that.
Catching a switch pull chain on a moving blade is the cause of many ceiling fan problems, along with blades that have fallen out of balance and have begun to wobble.
When replacing part of an electrical fixture, the rule of thumb for finding the replacement part is to remove the broken part and bring it with you to a lighting or electrical supply store.
Failing that, take down the make and a serial number of the fixture so the clerk can look up part information for you. Light fixtures are attached permanently to ceilings or walls.
They include wall-hung sconces, ceiling-hung globe fixtures, recessed light fixtures, and chandeliers. Most light fixtures are easy to repair using basic tools and inexpensive parts. If a light fixture fails, always make sure the light bulb is screwed in tightly and is not burned out.
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A faulty light bulb is the most common cause of light fixture failure. If the light fixture is controlled by a wall switch, also check the switch as a possible source of problems. Light fixtures can fail because the sockets or built-in switches wear out.
Some fixtures have sockets and switches that can be removed for minor repairs. These parts are held to the base of the fixture with mounting screws or clips. Other fixtures have sockets and switches that are joined permanently to the base.
If this type of fixture fails, purchase and install a new light fixture. Damage to light fixtures often occurs because homeowners install light bulbs with wattage ratings that are too high.
Prevent overheating and light fixture failures by using only light bulbs that match the wattage ratings printed on the fixtures.
Techniques for repairing fluorescent lights are different from those for incandescent lights. Refer to pages 308 to 313 to repair or replace a fluorescent light fixture.
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