Join Date: Feb 2010
Location: Narragansett Bay
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Re: Simple 15A Shore Power In Small Boat (Looking to install in-line 15A AC Breaker)
When you say the "rest of the system", I may be misled to thinking there is more going on there.
Is it this simple? You want to temporarily run an extension cord from the dock, which has a 3 prong 30a outlet to a portable battery charger that has a standard household plug?
If so, I don't think I would worry about converting the 30a to 15a protection. Your charger itself should have a fuse. I would get a heavy duty extension cord (12g min, but prefer 10g), and a pigtail adapter for the power pole. If this is your plan, you shouldn't leave it plugged in unattended, regardless of how you fuse the line.
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