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Is there a main breaker retaining kit available for NQ or NQOD panels?

Issue:
Is a retaining kit required when you install a QOB3100 in an NQOD or NQ panel as a backfed main?

Product Line:
Panelboards

Environment:
NQOD and NQ  Panelboard Accessories

Resolution:
An NQOD or NQ panel does not require  a main breaker retaining kit like those used in load centers since the QOB is a bolt-on breaker.
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