How to Replace Old Light Fixtures
Swapping out an old light fixture with a new unit is one of the easiest and most satisfying DIY projects around the home. New light fixtures are always a worthwhile upgrade whether you're making the change for energy efficiency, improved lighting effects, performance or simply because the old fixture is on the fritz. The entire job often takes as little as 15 minutes. Does this Spark an idea?
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Instructions
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1
Shut off the power to the fixture's circuit at your home's service panel (breaker box). If the old fixture still works, try to turn the light on to confirm the power is off.
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2
Unscrew any mounting bolts or nuts securing the fixture's base or coverplate. Carefully pull the fixture or plate away from the wall or ceiling surface without touching any wires. If necessary, have a helper support the fixture while you work.
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3
Test the fixture or circuit wires for power, using a circuit tester, to confirm the power is off. Use a screwdriver to unscrew the circuit wires from the fixture or remove the wire nuts (plastic wire connectors) joining fixture wires to the circuit wires. Separate all wire connections.
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4
Check the ends of the circuit wires for damage to the metal wire and plastic insulation. If necessary, cut back any damaged ends and re-strip the wire as needed using a wire stripper or combination tool.
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5
Connect the new fixture to the circuit wiring using the fixture's screw terminals or by joining the fixture's wire leads to the circuit wires with appropriately sized wire nuts (often included with new fixtures). Follow the fixture manufacturer's wiring diagram for making the connections.
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6
Secure the fixture and coverplate (as applicable) to the electrical box, using the screws provided. Restore power to the circuit and test the fixture.
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Tips & Warnings
Most standard light fixtures can accept both incandescent and CFL (compact fluorescent) bulbs as well as some newer LED bulbs. Fluorescent fixtures are made for use only with special fluorescent bulbs. The wiring for both types of fixtures is the same. A low-voltage fixture is connected to a standard household circuit, but the unit also includes a transformer that reduces the voltage reaching the fixture.
To avoid any touch-up work on the wall or ceiling surface, make sure the base or coverplate on the new fixture is at least as large as that on the old one.
