Here, 3 x paralleled 8 ga Teflon wires (silver plated, and stranded) are
used to wire each side of the incoming 240 vac mains...to the pair of
paralleled 3 pole contactors. A 3rd contactor (double pole) will be later
installed for the HV step start. Right angle drive to be installed on the
small 240 vac variac, through the rear panel, so fil V can be dialed in.
Incoming line cord is 3 ga....and is 10' long. Other end can be trimmed off
as required, and will be hardwired into a small 125 amp sub panel, then off
to main panel.
https://www.youtube.com/watch?v=OokpV9aEG9A
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