Plastic vs metal junction box?


Old 09-21-19, 04:32 PM
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Plastic vs metal junction box?

I need to add a junction box in the attic.

Whats better between the plastic ones like these...

or the metal ones like these...
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Old 09-21-19, 04:45 PM
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There is nothing wrong with using either box.
If you use the metal box..... the ground must be connected to it.
Old 09-21-19, 08:54 PM
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In addition, if you have cable with metal jacket (MC cable, BX cable, AC cable, metalic conduit, etc.. ) you must use metal junction box.
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