Replacing Bathroom Light Fixture
Detailed Instructions on How to Replace a
Bathroom Light Wall Fixture
By: Mark J. Donovan
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If your old brass bathroom light
fixture is looking shabby fear not, you don’t need to spend an arm and a leg
replacing it by calling in an electrician. Replacing a bathroom light wall
fixture is an easy DIY homeowner project. Also, you can find modern and
affordable bathroom light fixtures at any home improvement center.
To replace a bathroom light wall fixture you’ll need a few basic tools. The
tools required include wire cutters, pliers, needle nose pliers, electrical tape
and a couple of screw drivers.
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As with any electrical project cut
off power to the bathroom light fixture at the main electrical circuit panel box
first. Then check to see if power to the bathroom light fixture is indeed off by
toggling the light switch associated with it a couple of times.
Once you’ve confirmed that power has been removed from the bathroom light wall
fixture, remove the bulbs and globes.
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Remove Old
Bathroom Light Fixture
Next, twist off the small ball-nut
caps that hold the light base to the electrical outlet box. After removing the
small ball-nut caps pull the base of the bathroom light fixture away from the
wall.
Disconnect the copper ground wire from the bathroom light fixture to the
electrical box. Then untwist the wire nuts that hold the white and black wires
together.
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With the wire nuts removed you should
be able to now disconnect the old bathroom light wall fixture from the
electrical box.
Then remove the old light mounting plate from the electrical outlet box.
Attach New Bathroom Light Fixture
To attach the new bathroom light
fixture to the wall, fasten the mounting plate that came with the new light
fixture to the electrical outlet box. Use the screws that came with it and
attach the mounting plate to the electrical box per the light manufacturer’s
recommendations.
Photos by Mark Donovan
Next, screw into the mounting plate the long screws or threaded tube, depending
upon the type of bathroom light wall fixture you are replacing. Only screw them
into the mounting plate about 1/8 to ¼ of an inch.
Then attach the light fixture’s ground wire to the bare copper wire coming out
of the electrical box. Then tie the twisted and attached pair to the green nut
on the mounting bracket.
Photos by Mark Donovan
Using a wire nut that came with
the new bathroom light fixture twist together the white wires associated with
the bathroom light fixture and the white wire emanating from the electrical
outlet box. You may need to strip or trim the wires first. Typically the wires
should have about 5/8 inch of insulation removed from their ends. After twisting
the wire nut onto the ends of the white wires, apply electrical tape around the
wire nut and the insulated ends of the wire bundle to ensure a fully insulated
and tight connection. Repeat the process for the black wires.
Mount the base of the bathroom light wall fixture onto the two long threaded
screws or tube that are attached to the mounting bracket. Make sure the bathroom
light fixture is level once you have placed it on the screws/threaded pipe.
Once it is properly positioned attach the new ball-nut caps to the ends of the
screws/threaded pipe. If the ball-nut caps do not snuggly hold the base to the
electrical outlet box, pull the base back from the electrical box and thread the
long screws/pipe further into the electrical mounting bracket. Then retry
mounting the bathroom light fixture base onto the mounting bracket and
reattaching the ball-nut caps. If the ball-nut caps mount snuggly up against the
surface of the light fixture base, you can move on to the next stage.
If the replacement bathroom light wall fixture includes glass globes attach them
to the light fixture. Then install the manufacturer’s recommended light bulbs.
Finally, turn power back on to the bathroom light fixture at the main electrical
circuit panel and test your newly installed bathroom light fixture by flipping
the light switch on and off.
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Related Information
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Bathroom Light Fixtures from Amazon.com
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