> The very max in voltage drop at the farthest used 120V device can not be more than 5% of connected 120V supply. So at the 700' distance you have spec. your voltage can not be below 119.5 volts. > AGAPE, > jdb, txredneck
Works for me, aside from codes, EXCEPT that J works hard and
long and isn't seeing that 5% of 120 has to be 5+ and not
0.5 vac. We ALL get too-tired days................
I did an RV/Trailer thing a few weeks ago and I deduced that
for him to use his available 10ga wire he could only draw
5 or 10 amps. I believe it was about 300 ft. Going to 3 wire,
(use the gnd as a neutral, so it's "2wire") and send 2phase
or 208vac (often incorrectly called 220 or 240) is a thought.
He gets then, 2 legs of 120vac, just like most homes.
BillSF9c
07 June 2012
Re: [DIY] Fw: [DIY] electric voltage drop to an RV
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