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Voltage drop is proportional to current (load). No load means no voltage drop. At these values I'm not really worried about it. 7V @ 56A isn't a big deal. 4.4V is certainly better.
Where it comes into play most is with motor starting. You need a good voltage and amperage kick to get a motor turning. If it were me and the cost wasn't too great I would go with #6.
What is an 480/3 phase instigator at 100hp?Here are a couple sources of 2-2-2-4 al.
Buy a bit extra....don't run yourself short.
We use this type wire for 480/3 phase instigators at 100 hp a couple thousand feet out.
Are you load banking your set with the wire coiled on the spool? I remember reading somewhere about heat being an issue when you run power through a coil of wire. Might be worth looking into...Got my wire. Type W 100ft and it weighs 100lbs. Had to unroll the spool to get to the other end, leave 10ft out and respool.
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