Join Date: Sep 2008
Location: Victoria B.C. Canada
Thanked 108 Times in 99 Posts
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Any good marine store should have a 30 amp double breaker. Make sure you buy a proper double pole breaker - you can't combine 2 singles for this.
ANCOR MARINE CE World Double Pole Circuit Breakers for 110V AC at West Marine
Yes if show 120 volts between hot and neutral I would suspect the breaker.
Living aboard in Victoria Harbour