Is the marina wired as a 208VAC split phase or 240VAC split phase. In Florida, in a 208 VAC marina, when all the boats upstream have their air conditioning operating the poor guy at the end of the pier is lucky to get >200VAC!
If this is your case, and if you do not want to install a boosting isolation transformer, a buck/boost transformer between the shore pedestal and boat inlet will correct this issue.
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Charlie Johnson
ABYC Master Technician
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