Special Back Box: Does It Exist? - Electrical - DIY Chatroom Home Improvement Forum

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Old 01-18-2013, 12:49 PM   #1
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Special back box: Does it exist?

Does there exist a old-work backbox with enough space for 2 sheets of drywall? More info: I'm trying to add a single gang receptacle in my garage ceiling which has 2 sheets of drywall. The only cut-in (old work) boxes I've seen will allow for only 1 sheet between box frame and tab. I thought to use longer screws but the tab would not lock against edge of box properly. Thanks for input!


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Old 01-18-2013, 01:38 PM   #2
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Special back box: Does it exist?

Use a metal old work box and deep Madison straps


Answers based on the National Electrical Code. Local amendments may apply. Check with your local building officials.
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