IEEE Standards - draft standard template
Feb 28, 2013 · The MCCBs used in high-resistance-grounded systems should be rated for line-to-line voltage (480 V not 480/277 V for a 480 nominal system voltage). (Also the single-pole interrupting rating should be checked to clear the second fault on a different phase: ground as well as line-to-ground faults on two separate phases, one on each side of the ... ................
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