Cable Trays fill calculation
My dilemma is regarding Cable tray fill, specifically regarding equipment grounding conductor which is a lot smaller than the current carrying conductors ( in my case 1200 Amp circuit, 350KCM current carrying and 3/0 ground) NEC 392.22(B)(1)(d) says Where any of the single conductor cables are...
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Question is very similar to the linked thread that did not appear to receive any responses. Wanting to know if there is an exception for EGCs that may be smaller than the phase conductors in 392.22(B)(1)(b) so as to not have to install in accordance with 392.22(B)(1)(d).