When a light goes
out that usually means it's time to replace the light bulb.
But what happens when something else is wrong with a light?
How do you figure out what needs to be fixed?
The aesthetic design of different light fixtures may vary
from one model to the next, but when it comes right down to
it, most incandescent light fixtures contain components that
are arranged in the same way. Basically, a canopy plate is
held up to the ceiling with mounting screws, there are
sockets for the bulbs, and a translucent diffuser or globe
softens the light. Newer fixtures may include fiber
insulation for extra protection.
If the circuit has blown and you see sparks, the fixture has
probably shorted out and the problem lies with the actual
fixture. If the light just doesn't turn on, the problem may
originate in the wall switch.
 What to
do.
 Do an
inspection of the socket. Before you begin, remember to shut
off the circuit supplying electricity to the fixture.
Closely examine the socket for cracks, or wires that are
scorched or melted. If this is what you find, you'll have to
replace it or the fixture. If it looks undamaged, unscrew
the bulb and look at the contact at the base of the socket.
If you discover corrosion the best thing to do is scrape the
contact with a flat screwdriver or steel wool.
 Check the wiring.
If you still can't get the light to work, shut off the
circuit, loosen or remove the mounting screws, and drop the
fixture from the outlet box. Nicked insulation, loose
connections, peeling drywall paper, and heated-cracked wire
insulation all indicate an overheating fixture. This could
mean two things: you have a faulty fixture or the wattage of
the bulbs you're using is too high.
Some tips
 When
installing light fixtures, keep the fiber insulation intact
instead of removing it from the canopy plate. This will give
you more protection than normal against shorts.
Always use
the right light bulbs. If you're unsure what bulbs to use,
simply check the label on the fixture - this will tell you
the maximum wattage bulbs you can safely use. |
