Yep.
Three phase comes in a couple of different flavours.
I had 400A of 440 RMS at my last shop.
If you can just grab a cable for a '95ish truck it is 'all in one'
Jim,
Lil'Red is a '87 F250 HD, 4.10's, 1356 4x4, Zf-5, 3G, PMGR, Saginaw PS, desmogged with a Holley 80508 and Performer intake.
Too much other stuff to mention.