How To Install A Ceiling Light Box
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To replace a ceiling light fixture follow these steps.
How to install a ceiling light box. Junction boxes typically hold up to 50 pounds. It should be 48 from the floor. Use painter s tape or a pencil to lightly mark the ceiling joists. If you want to install a ceiling fan then you will need to get a box rated to hold the weight of a ceiling fan or you will want to add some additional bracing to hold the ceiling fan.
If you re wondering how you install a light fixture without an electrical box the short answer is that you don t. Installing the box is easily done but you must be careful anytime you are working with electrical wiring. Ceiling fans need to be properly anchored to an electric ceiling box that s designed to hold a heavy fixture. Determine a location for the light switch.
Some of these wires may be wired to different circuits than the fixture you re working on. Before you begin make sure your junction box can support the weight of the new light fixture. If your light fixture weighs more than 50 lbs it has to be supported independent of the electrical box. Installing a ceiling electrical box lets you add a light fixture to a room.
At this point make sure that the installation is secure and that the fixture is. It will not only hold the wiring but also support the full weight of the fan. If you are removing an existing fixture. Use a circuit tester or turn off the power to the whole house to ensure that all the wires in the box are dead.
Trace the electrical box for the switch and cut it out the same way as the mounting box. The electrical box or junction box is a code requirement that was established to prevent fires and other electrical accidents. Trace the mounting box on the ceiling where the light fixture will be mounted. Cut out the traced hole with an oscillating saw.
Screw the ceiling plate to the mounting strap or support rod then put the mounting stem onto the ceiling plate. An easy solution is to install a fan brace box available from home centers and hardware stores that s designed to be installed without cutting any additional holes in your ceiling. If you plan to control the ceiling fan from a light switch make sure the switch is wired appropriately for the fan. You may find several pairs of wires in the ceiling box.