Installing a light fixture or outlet in the ceiling requires an electrical junction box to hold the wire connections and the fixture or device.
Retrofit junction box ceiling.
Typically for new construction you d use an insulated and sealed box.
Installing a ceiling electrical junction box.
An old work box is designed to be installed after the fact on walls that are already finished.
Often wiring from that era of home construction now has dry brittle insulation on it.
Turn off the power.
Drywall 6mil vapour barrier fiberglass batt insulation.
Typical cold climate construction.
You will need to remove the old pancake junction box.
Replacement of old style ceiling electrical box.
To be clear by retrofit i mean the drywall is up and i d like to install this without having to repair any drywall.
Learn how to retrofit a ceiling fan electrical box.
Before installing a ceiling fan make sure that you follow the portion of the electrical code that requires that you use a fan rated outlet box that will support the extra weight and the motion associated with a fan.
Buy an old work electrical box.
How do i retrofit a junction box and maintain the vapour seal.