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What does the "NF" mean on the end of this # .....MH50WPSSULNF?

Issue:
MH Stainless Enclosure

Product Line:
Panelboards

Environment:
NF and NQ

Cause:
Clarifying catalog number

Resolution:
It means the box has the trim/gutter cover kit that fits the NF deadfront width. When NQ was created the NQ deadfront became the same width as the NF so the N3R & 4X gutter covers became the same for either panel. Before NF there was both a NQ and NF version of gutter covers. Now we only need the "NF" version since the NQ deadfront became the same profile as the NF. It is confusing when folks see the NF.
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