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post #1 of 10 Old 03-24-2013 Thread Starter
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shore power question

I need to run a dehumidifier on my boat while I'm not there. in order to do that, I must have a yellow shore power cable running from the power pedestal to my boat. I don't have a shore power receptor on my boat, but I can run the cable into my cabin through the hatch. I need an adapter that will plug into the end of my shore power cable ( 30 amp 125 v) to which I can plug in a standard 110v cord. What do you all suggest?
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post #2 of 10 Old 03-24-2013
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Re: shore power question

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What do you all suggest?
A quick search on Defender, West Marine, or even Amazon should turn up plenty of options.

But, I'll save you a bit of time and give you a link to at least one possible solution... this assumes you already have the shore power cable.

Marinco Shore Power Pigtail Adapter
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post #3 of 10 Old 03-24-2013 Thread Starter
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shore power question

Thank you. It may seem that I've asked a"well duh" question, but the adapter I bought at West Marine fits into the power pedestal fine, but the female end of the power cable takes a different size so the adapter won't fit on the end of the shore cable. I was concerned that the adapter I want didn't exist due to safety concerns. Thanks, again.
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post #4 of 10 Old 03-26-2013 Thread Starter
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Re: shore power question

Has anyone had any experience with the exacdc shore power installation kit?
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post #5 of 10 Old 03-26-2013
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Re: shore power question

You need to be a little careful with this one.
The onboard AC distribution panel (the part you are missing since your boat is not equipped for shore power) contains breakers (15A) which are designed to trip in the event of a short circuit or other condition that pulls excessive current through the circuit. When you connect directly to the shore power connection on the dock you lose that protection.
The dock shore power outlet is normally sized for 220V/30 amps. This will melt your puny extension cord and burn your boat up very quickly, just my .02.
Ask me how I know this.
You could also hook your 120v appliance to a 220v circuit, another bad thing.
If you start to see smoke, don't grab the cord, shut off the power on the dock at the circuit breaker, ask me how I know this one too.

Experience teaches us things we would rather not know.

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post #6 of 10 Old 03-26-2013
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Re: shore power question

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Originally Posted by kjh502 View Post
the adapter I bought at West Marine fits into the power pedestal fine, but the female end of the power cable takes a different size so the adapter won't fit on the end of the shore cable.
There is darwinian reason for this.

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post #7 of 10 Old 03-28-2013
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Re: shore power question

What they're saying is: even though you can find an adapter, don't connect anything inside the boat without a breaker inside the boat in the line.

Stu Jackson, C34, 1986, M25 engine, Rocna 10 (22#)
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post #8 of 10 Old 03-28-2013
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Re: shore power question

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The dock shore power outlet is normally sized for 220V/30 amps.
Don't you mean 120V-30 amps? Most dockside connections are either 120V-30 amp OR 240V-50 amp. And each has it's own cord, meaning you can't plug a 120V cord into a 240V outlet.

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Last edited by chuck53; 03-28-2013 at 09:13 PM.
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post #9 of 10 Old 03-29-2013
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Re: shore power question

The shore power connection on my dock has two breakers, not sure of the size, but I think they are 30 amp breakers. The shore power cord is a 4 wire cord, 2 120v circuits a neutral and the ground. 120vac is wired by connecting across one of the two 120v circuits and the neutral.

If you have 50 amp service, it is connected by using 220vac/25amps per shore power cord.

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post #10 of 10 Old 03-30-2013
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Re: shore power question


Courtney is My Hero

If a man is to be obsessed by something, I suppose a boat is as good as anything, perhaps a bit better than most - E.B. White
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