2011 nec 314.28e

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DPW

Member
Location
FT. SMITH, AR
It my understanding that this revised section will require power distribution blocks to be installed with a cover.

Does this mean that terminal blocks (120vac) mounted in a standard 4X4 box would be an exception or does the enclosure have to be over 100cu in?

If an additional component such as a fuseblock was mounted in the jbox, would it require an insulated cover as well?
 

raider1

Senior Member
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Location
Logan, Utah
That section applies to distribution blocks installed in boxes larger than 100 cubic inches.

A 4x4 cbox is not larger than 100 Cubic inches so it does not apply to them.

Chris
 
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