There are two ABYC requirements for new boats- one being the GFCI requirement ( 5mA trip specified ) for the receptacles in wet areas and the second being ELCI breakers on the shore power feed which typically have a 30mA trip. Both are required.
I installed the Blue Sea ELCI when I was updating my A/C side last year and haven't had any nuisance trips. I have both charger/inverter and hot water on the boat. Ed Prime Interest 1982 C&C 38 Landfall Toronto, Canada From: CnC-List [mailto:[email protected]] On Behalf Of Ken Heaton Sent: Tuesday, April 01, 2014 5:40 PM To: cnc-list Subject: Re: Stus-List GFCI Outlet Hey Edd, I wouldn't put one GFCI inline from the shore power. It would need to be large and expensive (2 pole, 30 amp) as you will end up running everything through it including the heating element in the hot water heater and your battery charger. Also, many modern battery chargers may cause it to nuisance trip frequently. The GFCI in an outlet is cheap, effective and obvious if it trips as they will usually have a small LED indicator on the face and only the circuit that is tripped (and the outlets downstream) will go dead, not the whole boat. I think your boat has two breakers in the AC panel for the AC outlets so you will only need two (or possibly three, depending on how the wire is run) GFCI's to do the whole boat. I think the level of safety these GFCI provide for very little money is worth it. I'm not sure how the ABYC requirement for all new boats is written so I don't know if dong it this way will cover it. Ken H. As Dennis C. said: "Look at the GFCI receptacle you are installing. It should have two pairs of hot/common connections and one ground. One pair will be labeled "Line" and one pair "Load". The "Load" connections are protected. The correct wiring should be from your supply (breaker) to the pair marked "Line". Downstream receptacles should be wired from the "Load" pair. Also, make sure you get the black (hot) and white (common or neutral) wires on the correct connectors for all connections. Dennis C." On 1 April 2014 14:08, Edd Schillay <[email protected]> wrote: Listers, Thanks to the wisdom of the group, I'm redoing the entire AC system of the Enterprise, including a switch from shore power to inverter. If you listen carefully, you'll hear a stream of cursing coming from City Island this weekend as I try to squeeze myself into yoga-expert positions trying to snake wires. As to a GFCI outlet, is it best to put it first in the line of outlets or last? Or does it not matter? Would it make sense to just install a GFCI inline from the shore power instead? All the best, Edd Edd M. Schillay Starship Enterprise C&C 37+ | Sail No: NCC-1701-B City Island, NY Starship Enterprise's Captain's Log <http://enterpriseb.blogspot.com/> _______________________________________________ This List is provided by the C&C Photo Album http://www.cncphotoalbum.com [email protected]
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