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djf4383 02-20-2012 09:49 AM

backboard for panel mounting
what type and thickness of plywood is recommended to use for the backboard when mounting a new electrical panel and is a piece of fire rated drywall required to be mounted between the panel and the plywood to act as a fire rated barrier?

p.s. or fyi this question is with respect to an installation in Canada?


JoeD 02-20-2012 03:20 PM

Fire rated drywall is not required. They removed that from the code many years ago. I don't think the code specifies a thickness. As long as it is strong enough to support the panel you will be fine. I would use 3/4 though. It give better surface for staples etc.

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