We run into many 30amp only older parks so a 50>30 amp comes in handy, we also have a 30>20 for our generator. Ran into a park in Ca that only had 20amp.
We also carry a 25ft 30amp extension for overnights when I don't want to unhook and will park where it's most level which may be too far from the power post for my 50amp cord.
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