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What phase connections are used in a single phase I-Line interior?

Issue:
Does a 1ph I-Line interior have 2 or 3 bus bars?

Product Line:
Panelboards

Environment:
I-Line Panelboards

Resolution:
All 3 bus bars are present however typically the A and C phases are used. It is always a good idea to verify the phase connections before purchasing a new or replacement branch breaker.
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