The box shown has a slot that the cable slides through.
Install a ceiling fan electrical box.
If the box has a cable clamp remove the locknut.
Hold a 1 2 inch thick pancake box against the ceiling centered on a joist and trace around it with a pencil.
It can be made of metal or plastic it s usually round and it attaches to a ceiling.
Attach new electrical box.
Pry the tab and pull the cable out.
In most cases an electrician installs a rough in electrical box before hanging any type of ceiling fixture.
Pry out the box s mounting nails and pull the box down from the ceiling.
Feed the electrical cable coming from the ceiling through the knockout hole in the pancake box.
Electrical box and a ceiling fan wiring hanger bracket family handyman feed the existing wire through the cable clamp in the top of the new metal ceiling fan junction box slip the box over the saddle screws and tighten the nuts to clamp the box to the shaft with a nut driver or a deep well socket.
Inspect your current electrical box to ensure your project won t involve installing a ceiling fan box.
Turn off electrical power to the fan at the electrical panel and use an appropriate testing device to ensure no power is present at the light fixture before you begin work.
Disconnect the cable from the box.
Hold a vacuum cleaner wand next to the saw to catch the dust.
Install a new ceiling fan mounting box.