Where in the NEC is it permitted to install an auxiliary gutter in a length longer than 30 ft? A. Nowhere — 30 ft is the maximum length for any auxiliary gutter. Articles 376 and 378 focus on wireways ...
When is it permissible to use an equipment grounding conductor, not larger than 14 AWG copper or its equivalent, to ground a wireway or auxiliary gutter? A. Where the wireway or auxiliary gutter does ...
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