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Old 03-06-2017, 09:25   #1
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Shore Power

My U.K. Wired 230v 32 amp yacht is now in US/Canada/Mexico waters. It has two boat side recepticals for use when both aircon units are in operation.
Currently using Split Phase (Two hot 125v wires) 50amp 125/250v shore power to a single boatside 30amp 125v receptacle. Works fine except for washing machine. Would like to use a pigtail to the other receptacle and enable both aircons.
Perhaps there is already a thread covering this?
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Old 03-06-2017, 09:42   #2
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Re: Shore Power

How did you connect the ground? In n/a its center tapped vs on one leg. You really should have ISO transformer.

If you currently have a Jerry rigged 50a 240 cord into a 30a 120. Then get one of these. What ever is plugged into boat, will fit into y instead

https://www.amazon.com/Marinco-Y-Adapters/dp/B01JTZNGYI
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Old 03-06-2017, 10:43   #3
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Re: Shore Power

Thanks for this smac999. Have purchased a 75ft 50amp 125/250 cable and the Y adapter you suggest but it doesn't supply 240v. Only 120v.
However it might just work with my jerry rigged cable if I switch the boat end to match the Y input. But as you questioned, I'm still concerned about a ground. Though I'm told that boats are not grounded in the conventional way. Not sure what the term center tapped means, is it from the windings, changing the phases.
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Old 03-06-2017, 10:59   #4
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Re: Shore Power

On closer examination the Y I purchased is a 50amp 125/250 to 30amp 125v Matching the 75 ft cable.
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Old 04-06-2017, 18:42   #5
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Re: Shore Power

Don't forget, we in the west are 60Hz, not 50. OK for some appliances, possibly death to others.
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Old 04-06-2017, 18:57   #6
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Re: Shore Power

Thanks for this jamhas, as I mentioned in my post, all work well except the washing machine. (Variable speed on the the spin cycle?)
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