What is the recommended number of conductors and conduit size for 120V branch circuits in a hospital isolated power system?

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Issue:
Recommended number of conductors and conduit size for 120V branch circuits in a hospital isolated power system

Product Line:
Hospital Isolated Power Systems

Environment:
NFPA99, NEC517.160

Cause:
It is necessary to complete the installation of a hospital isolated power system in a manner which will comply with special requirements and pass required testing and certification.

Resolution:
3/4" conduit is recommended with no more than 6 conductors per conduit to help minimize leakage.