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.
Drywall 6mil vapour barrier fiberglass batt insulation.
You will need to remove the old pancake junction box.
Learn how to retrofit a ceiling fan electrical box.
Turn off the power.
Often wiring from that era of home construction now has dry brittle insulation on it.
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.
Typical cold climate construction.
Any disturbance to the wires could cause the insulation to break off.
Replacement of old style ceiling electrical box.
Installing a ceiling electrical junction 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.
How do i retrofit a junction box and maintain the vapour seal.
They are often used in situations where you are adding outlets or extending an existing circuit in a room that is already finished.
Buy an old work electrical box.