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I've seen ONE home with 3 phase (in Charleston) when I was with SCE&G. It had a flat pack HVAC system which is really a commercial unit. It was a very large home.
There are 4 homes connected to a 25 KVA transformer. But I've seen up to 10 connected to a 37.5 transformer. The kva is stamped on the side of a transformer and can be read from the ground. Never seen a 50 in a residential area. Sometimes you'll see a 10 for only two homes.
I remember going to a residence out on one of the barrier islands south of Charleston. It was really a 10x12 shack with a tin roof- rusted.
It had 110V 2 wire service. It was located down a 1/4 mile dirt road. People were living in it. They didn't have much.
They got electric when REA came thru. It was the ONLY 110 service I had ever seen to a residence!
That area had 4KV distribution- which is what they started out with.
I've never seen any 4KV stuff with Ga.Power. Its all 13.8/23.9 stuff here!
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