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Will a QO13040L200GRB load center accept a QOT tandem or QO tandem circuit breaker?

Issue:
Does the QO13040L200GRB accept QOT tandem or QO tandem breakers?

Product Line:
Load Centers

Environment:
QO Load Centers

Resolution:
This is a 30 space/40 circuit panel that will accept a maximum of 10 QOT (QOT prefix) tandem circuit breakers. QO tandem (QO prefix) are for use only in old-style (pre 1965) non-Class CTL panels. The QO tandem breaker should not be used in the subject load center.
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