Right. Just wanted to clarify why there may have been mention of 220 as the rig does take 220 in.
It's single phase 110v 2 times. That's like saying a dual 110v outlet is 220v. It doesn't work like that. Reason is because both legs can be pulled from the same buss in a breaker panel to wire up a 50amp RV circuit. You can't pull both legs off of a single 110v buss to make actual 220v outlet.
That's what I thought too, but was proven wrong on another forum. An RV 50 amp outlet is the same as a 220v 50 amp household outlet for your range etc. Both phases are sent to the rv and it splits them up into different 110v circuits just like your house panel does when 220v comes in. Take your voltage tester to any campground with a 50 amp plug and you will find 220v, not 110. Look at the link I posted. It explains it in detail. Bottom line is an RV 50 amp outlet is a 220v outlet utilizing both phases. Since nothing in most rv's use 220, it gets split up and one phase powers half the circuits and the other powers the rest.
Yes, you can pull both legs off the same phase but it would be wrong and potentially dangerous. You should always meter 220V across the two hot legs or you shouldn't connect to the source.
From this common service we can draw 120 or 240 volts. Each leg is 50 amps @ 120 volts. 50-amp X 120-volt = 6000 watts. But since there are 2 HOT 120-volt legs at 6000 + 6000 = 12,000 watts to use in the RV or 50-amp X 240-volt = 12,000 watts when used as a 240-volt service. Almost ALL 50-amp wired RV's use both sides of the service separately as 120 volt on each leg. Only a few mostly high-end coaches utilize the 240-volt from this same service. The 50-amp 3-pole 4-wire service is superior to the 30-amp service because of the total amperage available. 30-amp 120-volt service = 3,600 watts 50-amp 120/240-volt service = 12,000 watts |
For an RV 50 amp service. Each 110 leg can be pulled from the same buss as long as that buss is rated for the total amperage. As RV's aren't wired for 220v. They are either wired for a single 30amp 110v or dual 110v services at 50amps. If they were 220v the plug would only be 3 pins and not 4pins.
For running single phase 220v each leg must come from separate busses. But that has nothing to do with RV's.
And after all of this very interesting information and discussion of 110 and 220 volts, rnurse still hasn't been back on the forum for three weeks.
Looks like a good turn in the road, but you have to change the subjectso it doesn't keep perpetuating
Just trying to keep ya on your toes![]()