According to Ontario building code if there is fire protected walls and another electric box installed on the same wall you should install a bridge frame and install the box inside the bridge then cover the box and connections by putty pad fire barrier or fire stop. This video shows how to install an Access Control bridge frame, boxes , piping and wiring at construction site by Ontario Building Code, using putty pads fire protection seal around the box in fire rated walls.

How to wire access control system at construction site on fire wall by Ontario building code

 

 

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