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What exactly is required when mixing voltages, ie. 208 & 277 in the same J-Boxes and conduits.
As far as labeling, color codes etc
See 210.5 in the 2005 NEC.
Don

the code section should be 210.5(C)

[This message has been edited by resqcapt19 (edited 01-19-2006).]

Don(resqcapt19)