yes, this post was referring to RV PARK type 30amp 120v connections ONLY, not the type you may have at home which is typically for a DRYER, which is 240v.
This is also one of the easiest 'mistakes' made by electricians and new RV owners who want to install a 30amp RV outlet while parked at home. If the electrician or homeowner is not clear on the 120v distinction, and the correct 3 prong plug style, they may mistakenly install a 240v outlet - not a good idea.
the RV 50amp service, though, is always 240v since it uses a double-pole 50amp breaker set - and the 50amp RV is designed correctly to use that 240v power, splitting it into two 120v lines when it reaches the Main Electrical panel within the RV.
This is also one of the easiest 'mistakes' made by electricians and new RV owners who want to install a 30amp RV outlet while parked at home. If the electrician or homeowner is not clear on the 120v distinction, and the correct 3 prong plug style, they may mistakenly install a 240v outlet - not a good idea.
the RV 50amp service, though, is always 240v since it uses a double-pole 50amp breaker set - and the 50amp RV is designed correctly to use that 240v power, splitting it into two 120v lines when it reaches the Main Electrical panel within the RV.
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