Cut along the line with a drywall saw.
Install a ceiling fan electrical 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.
Hold a 1 2 inch thick pancake box against the ceiling centered on a joist and trace around it with a pencil.
Do not rely on a wall switch to protect you from electrical shock.
Pry the tab and pull the cable out.
The family handyman editor in chief gary wentz will show you how to remove an old light and install a ceiling fan brace so you can properly install a new c.
In most cases an electrician installs a rough in electrical box before hanging any type of ceiling fixture.
Attach new electrical box.
Install a new ceiling fan mounting box.
If the box has a cable clamp remove the locknut.
It can be made of metal or plastic it s usually round and it attaches to a ceiling.
Pry out the box s mounting nails and pull the box down from the ceiling.
Hold a vacuum cleaner wand next to the saw to catch the dust.
Disconnect the cable from the box.
Feed the electrical cable coming from the ceiling through the knockout hole in the pancake box.