"Marine" GFCI Outlet? - Page 6 - SailNet Community
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post #51 of 83 Old 03-02-2011
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... and yes I AM certifiable! - Just ask my wife.
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post #52 of 83 Old 03-02-2011
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I'm helpless according to my wife......or was it hopeless....

anyway, nice to know the modified sine inverter "could" be the issue for the one a page or two back blowing the gfci's. I was wondering if the spike, low pike low...... of the inverter might cause an issue.

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I drives me dinghy!
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post #53 of 83 Old 03-02-2011
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Quote:
Originally Posted by RhythmDoctor View Post
I'm working on a netbook-based chartplotter system for fair-weather use at the helm (described on another thread), but unfortunately the netbook runs off of 18-19v, so a simple 12v adapter will not work. Since you seem knowledgeable, maybe you can answer a lingering question about this. I have a real nice Compaq car adapter that puts out 90w @ 19v and is plug compatible with the Netbook, but the Netbook actually only needs about 19w to run. Do you happen to know whether a less oversized charger would be more efficient, or do these adapters draw only as much power as needed to drive the computer? I'd like to know whether to just go with what I have, or look for a lower amperage adapter that puts out 18-19 volts.
I like to think I'm knowledgeable, since I have a degree in electrical and computer engineering As others have said, if the netbook only draws 19W, it won't use the full 90W the adapter is capable of sourcing. But, the efficiency is not constant, it's a curve that varies with load. On most switching regulators, which this adapter almost certainly is (and inverters are a type of switching regulator, so it applies to them too), they are very inefficient at near 0 draw and near their maximum draw, with peak efficiency somewhere in the middle. Peak efficiency on a switching regulator can be 90% or perhaps even better. For your purposes, I'd say just go with the adapter you have, getting another one isn't going to save you much power.

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post #54 of 83 Old 04-09-2011
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I know this thread is a bit stale but I came across the list of Xantrex approved GFCI's.

From the Xantrex XM1800 manual:
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post #55 of 83 Old 04-09-2011
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BOTH Leviton models above are obsolete and have been discontinued.

The Hubbell GFR5252 is still available for ~$25
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post #56 of 83 Old 04-09-2011
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Good to know.

Brian
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post #57 of 83 Old 03-20-2012
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Re: "Marine" GFCI Outlet?

It is my understanding that there is a big difference. Household GFCI's are not ignition protected meaning it were to trip it could cause a spark.
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post #58 of 83 Old 03-20-2012
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Re: "Marine" GFCI Outlet?

Leviton: Cheapest possible product, zero customer support. On my list of vendors to be avoided at all costs.
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post #59 of 83 Old 12-22-2015
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Re: "Marine" GFCI Outlet?

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Originally Posted by SEMIJim View Post
During the survey, our surveyor noted Abracadabra's AC outlets in the galley and on one of the bulkheads separating the main cabin from the head had no GFCI protection. Naturally, he recommended adding GFCI protection, and advised that we needed a marine GFCI outlet, not just the average GFCI outlet you'd pick up at Home Depot, or whatever.

So how do you identify these and where do you get them? Saw a GFCI outlet at WM, but the labeling was scant (looked like perhaps it'd been re-packaged?) and said nothing about "marine" on it. (It certainly had a "marine" price on it, tho .)

These outlets are the "modern"-looking, rectangular kind.

Thanks,
Jim
We have a 1982 Tollycraft Yacht and cannot locate the GFCI, where would it be located? Thank you. Bob
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post #60 of 83 Old 12-22-2015
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Re: "Marine" GFCI Outlet?

1982 Tollycraft Yacht and cannot locate the GFCI, where would it be located? Thank you. Bob
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