NEC 392.(B)(1) Single-conductor cable 1/0 or larger in Cable Tray
NEC 392.(B)(1) Single-conductor cable 1/0 or larger in Cable Tray
(OP)
Could anyone explain to me why NEC requires single-conductor cables installed in cable trays to be 1/0 or larger? Why not anything smaller?






RE: NEC 392.(B)(1) Single-conductor cable 1/0 or larger in Cable Tray
RE: NEC 392.(B)(1) Single-conductor cable 1/0 or larger in Cable Tray