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Old 16-05-2016, 11:48   #1
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Bying a 220v boat used boat from EU

I am thinking of buying boat in Europe and bringing it into the US permanently. What is the best solution to be able to plug at 110v plugs in the US Marinas?

Any suggestions what I need to do and what to watch out for?

Thank you

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Old 16-05-2016, 12:06   #2
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Re: Bying a 220v boat used boat from EU

Lots of posts about this - try a search - and lots of different solutions. For us, we rewired our boat to take 220/60 or 220/50, b/c the only items running on that are chargers, water heaters, AC units and they can take either. Thus we can plug in anywhere. We can also plug into 110/60, because one of our legs goes to a 110/60 inverter/charger and outlets. Couldn't run the AC that way, but can charge batteries. This inverter charger also powers our 110 outlets from the batteries. We have the old 50hz outlets as well as new 60hz outlets and inverters for both, so can run any appliance anywhere.

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Old 17-05-2016, 06:18   #3
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Re: Bying a 220v boat used boat from EU

If the intent is to stay permanently, rip out anything 220 specific and replace with 110 based items. If they undersized the wiring because 220v runs at 1/2 the amps, you may need to replace the wiring.

If it's short term or you just want to sneak by, get yourself a 110v battery charger of large amperage, and a 220v-50hz inverter to cover your largest loads. Wire the shore power inlet to the battery charger and the inverter to your AC panel. You now have quality 220v-50hz power. The problem you run into is every time something fails, you have to special order it so you get the version that runs on 220v-50hz power.

(before someone says it, yes you can get away with some items using the wrong hz but generally not a great idea)
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Old 17-05-2016, 09:24   #4
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Re: Bying a 220v boat used boat from EU

Undersize wiring is a big deal. I know from experience that some European boat wiring will not handle 110V for the same power requirement, especially AC outlets. Too easy to plug in a 110v hair dryer and start a fire. Make sure circuit breakers are sized correctly. The advice above is good for different approaches but it is often not so simple. You need to understand how the boat is wired, what devices are on it now, which devices you need, what you are doing and why. And try to make it foolproof to prevent unintended consequences. It can be done but tradeoffs any way you go.
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