plastic boxes

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wireman1

wireman1

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is there any restrictions of the use of plastic boxes in a commercial building does it depend on the firing rating of the dry wall site any article which may apply
 
it all depends on the type of costruction.

334.10 Uses Permitted
(3) Other structures permitted to be of Types III, IV, and
V construction. Cables shall be concealed within
walls, floors, or ceilings that provide a thermal barrier
of material that has at least a 15-minute finish rating as
identified in listings of fire-rated assemblies.
 
I would think the type of wiring method being used would have a lot to do with what type of boxes you could use and what they are listed for.

I don't see using plastic nail on boxes with EMT, MC, Smurf Tube or the like that they would not be listed for.

JAP>
 
jap said:
I would think the type of wiring method being used would have a lot to do with what type of boxes you could use and what they are listed for.

I don't see using plastic nail on boxes with EMT, MC, Smurf Tube or the like that they would not be listed for.

JAP>
Click to expand...

Boxes have to be listed? Since when?

As far as plastic boxes and metallic wiring methods...314.3 exceptions.
 
jumper said:
Boxes have to be listed? Since when?

As far as plastic boxes and metallic wiring methods...314.3 exceptions.
Click to expand...

Oh so your that guy that buys plastic nailon romex boxes holesaws a 7/8 hole in it and installs a ss connector so he can use it with emt.:)

Jap>
 
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