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When high fault current, fully rated, NQ panelboards exceed one section, will we need to apply UL series ratings to meet the UL 3 Cycle Rule?
Issue:
Do we need to apply UL series ratings to meet the UL 3 Cycle Rule, when high fault current, fully rated, NQ panelboards exceed one section?

Product Line:
Panelboards.

Environment:
Products sold in the United States.

Cause:
Product features.

Resolution:
Yes the UL 3-Cycle rule remains unchanged


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