I know the answer to this question will be simple for most of you, but for me it might as well be rocket science. My fifth wheel is rated for 50 amp service, but depending on the season or hook-up ava...
I recently asked the same question at my local RV repair shop. The owner told me that I had a very good question and immediately got on the phone with the surge protector manufacturer. The manufacturer stated that a 50 amp protector will protect all circuits on 50 amp service, and also pig-tailed down to 30 amp service, but a 30 amp protector would not protect a coach plugged into 50 amp service. Obviously, I bought the 50 amp surge protector.
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