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Can panelboard boxes such as MH35 or MH50 be extended in a vertical direction top or bottom?

Issue:
MH box extension

Product Line:
Panelboards

Environment:
NQ,NF

Cause:
Added Gutter Space

Resolution:

Yes. Vertical wireway extensions are available from 4`` to 60`` in 1`` increments for the MH series boxes. They come with the appropriate length cover. Typical catalog numbers are : WW4 for the 4`` length, WW12 for the 12`` length, etc.


CTA-ID : 2046294
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