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Electrical Breaker question in shop

I

IRHM

New User
I have a need of a 40 amp 110V power. My question is I have a 40 amp 220V circuit breaker. I realize I can just hook off of one side of the breaker to get 110V, but my question is will the breaker trip properly by only pulling power through one side? It is the style of breaker that has only one external switch for both legs....not kind that is two switches with a lettle bar between them.

Thanks for any help!!
 
Yep it will work just fine. A breaker like that is made so if one side over loads it will trip and it does not care which side over loads it just does its thing
 
As long as you have totally solid grounding circuits, you will be just fine.
I cut all power and make sure ALL screws connected with the ground circuit are tight. If your ground goes to a rod in the ground, check that connection also.
 
The Industry standard for RV Mfg's is 30 or 50 amp service installations as is also the RV Camp Ground standard.Seems 40 Aamp service is in between these two other standard Amp services.Why?
 
I can't answer for the OP, but I assumed (Bad, I know) he needed a 30 A shore line and already had the 40 A breaker so why not utilize it. I'm probably wrong, but a RV is the only thing I've seen that needs high amp 110.
 
Yes, it is for a temporary camper use for one week. I had the 40A and did not want to go by a 30A....guess I am cheap!

Thanks for all the answers!!
 
I'm not sure so will check it out. My Jayco 5th Wheel Rv with 50 amp service equipment and my Rexhall Motor Home with 30 amp service are both sitting out side by the shed ,so in the morning I will check it out. Right now it is about 105 degrees here near Wickenburg Arizona so no way Jose am I going out side. "It's a dry heat tho".JH
 
actually the 50 amp is 2 legs of 110 with no circuits across both sides.. thus the two 110s can be the same phase side. Lots of rv parks dont have 220, just two 50 amps side by side.. so be careful of what you might get. a true 220 applance will burn up or not run to ground or neutral as a 110 will.
 
I would even go with ground fault. Would you want someone to die because you don't want to spend the bucks? I am cheap too, but this is where I draw the line. Unless RV has its own ground fault breaker. Still master electrician, just don't do anything anymore, Dave
 
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