Based on the 2023 NEC. Question: Conductors installed under or encased in not less than _____ of concrete are considered to be outside of a building. See answer below. Answer: 2 in. Explanation: ...
This topic was brought to my attention when a representative from Underwriter’s Laboratories (UL) answered a question in the July/August issue of IAEI magazine. Here’s the question as it appeared in ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback