ECN Forum Forums General Topics of the Trade General Discussion Area Question on power to 4 Nema 6-50 & 5 Nema 5-15.

Unless its a generator, at your Panelboard, NEC ARTICLE 551.45 - instructs us to insulate the neutral feeder from the enclosure, just like any other sub-panel.

Generators, and Telephone D-Marks are the other noodles, which bond EGC's to Neutrals.