How should we treat direct burial wires in a trench for ampacity derating purposes? - Should they be considered "in a raceway or cable"? [NEC 310.15(B)(3)(a)] - If it is determined that "spacing" must be maintained, what minimum spacing is acceptable/permissible?
I would be interested to hear what means and methods others have used to deal with this issue. -- Corey Shalanski Joule Energy New Orleans, LA
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