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What is the temperature rating for I-Line busway?

Issue:
What is the  temperature rating for I-Line busway?

Product Line:
I Line II Busway 

Environment:
Application

Cause:
Clarification

Resolution:
I-Line II busway all amperage for both indoor and outdoor is rated at 55 deg C rise over a 40 deg C ambient.  This is a UL 857 requirement.
 

 
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