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Can ANY of the 3-Phase, U.S., QO, NEMA 3R(outdoor) Main Breaker and Main Lug Load Centers be top or bottom fed?

Issue:
Main wire entry

Product Line:
QO 3-phase Load Centers

Environment:
Top and bottom feeding

Cause:
application

Resolution:
TOP FEEDING:

For ALL NEMA 3R:
ALL of the U.S., QO, 3-phase, NEMA 3R(outdoor), load centers come with the Main Breaker or Main Lugs located at the top of the load center interior and can be top fed.

BOTTOM FEEDING:
For ALL NEMA 3R:
1) NO NEMA 3R(outdoor), QO, 3-phase, load center can be rotated, neither the interior or the complete load center.
2) The smaller FIXED main lug QO load center QO403L60NRB, can be bottom fed by entering the bottom endwall with the incoming conductors and either going directly into the Main Lugs or running the conductors up past the interior, through the gutter area and making a loop around into the main lugs.
3) The remaining FIXED main lug or CONVERTIBLE main breaker NEMA 3R(outdoor),  QO, 3phase load centers can be bottom fed by entering through the bottom endwall of the load center with the incoming conductors and routing the conductors up the side of the interior, through the gutter area to loop them around into the main lugs or main breaker lugs 


CTA-ID : 2008193
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