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Old 07-20-2013, 11:10 AM   #1
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Plastic box extender with metal box


I've got a box for an outlet that's pretty deep in the wall. It's too deep for a metal extender. I considered telescoping multiple metal extenders together, but that seems like a kluge

Is it acceptable to use a plastic extender on a metal box? The plastic extender would not slide insider the box but instead would but up against the box because the plastic extender is the same dimensions as the original metal box. Is does butt nice and flush up to the box and would provide sufficient depth to bring it outlet flush to the wall. A few questions:
1) Is a plastic extender on a metal box ok?
2) Is it ok to be butted up against the box instead of telescoped inside of it?

3) If yes to both of those, final question: wire should be grounded to original box - correct?

Thanks!
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Old 07-20-2013, 11:17 AM   #2
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The box and receptacle both would need to be connected to the ground wire.

Installed flush to the metal box should be fine as long as the grounding is intact.
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Old 07-20-2013, 11:25 AM   #3
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Thanks Jim, so does that mean the plastic extender on the metal box is ok too?
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Old 07-20-2013, 11:47 AM   #4
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Quote:
Originally Posted by cplbs View Post
Thanks Jim, so does that mean the plastic extender on the metal box is ok too?
As long as the receptacle and metal box are grounded the plastic extender is fine.
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Old 07-20-2013, 12:12 PM   #5
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I'd use an Arlington BE-1. Those will slip inside the box.
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