Rules for hazardous (classified) locations can be found in Chapter 5 [Special Occupancies] of the National Electrical Code (NEC). What are these specific locations, and why is the word “classified” in ...
Explanation: A change to the 2023 NEC in Sec. 342.20 now permits a maximum size of 6 in. in-lieu of the previous maximum size of 4 in. for intermediate metal conduit. A similar change to Sec. 358.20 ...
Electrical contractors and engineers working in utility transmission and distribution face evolving challenges due to rapid industry growth. This webinar will provide insight into selecting and ...
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