Public Comments may be needed on this Proposal before the closing date:

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(c) Installations Outdoors in Direct Sunlight.

Where feeders or branch-circuits are installed in raceways out-doors on rooftops that are exposed to direct sunlight, the ampacities of Tables 310.16 and 310.18 shall be derated by a factor corresponding to an outdoor ambient temperature, plus 17°C (30°F). [ROP 6–45]



[This message has been edited by Joe Tedesco (edited 07-28-2003).]


Joe Tedesco, NEC Consultant