Technical FAQs

Ask a Question

Can you use the appropriate I Line main lug only that will accept a 400 amp branch breaker and back feed the 400 amp branch and still have the panel rated for ``Service Entrance``?

Issue:
Can you use the appropriate I Line main lug only that will accept a 400 amp branch breaker and  back feed the  400 amp branch and still have the panel rated for ``Service Entrance``?

Product Line:
Panelboards.

Environment:
Products sold in the United States.

Cause:
Application.

Resolution:
As long as the 400 amp breaker is labeled as ``Main Breaker`` the panel is rated for Service Entrance. All panelboards contain a statement on the wiring and torque label indicating the panel can be used as service entrance equipment when applied in accordance with NEC.


CTA-ID : 2022710
Was this helpful?
What can we do to improve the information ?