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Date Posted: 17:40:04 10/21/08 Tue
Author: Dan B
Subject: simplify my AC setup?

Yesterday I ordered almost everything I think I need for my boats AC electrical system so this is probably the wrong time to be considering this but... I was reading today in a book about electrical systems about these little GFCI plugs that you can hookup to your dock power cord for safely running tools and what not.

In the interest of simplicity I'm wondering if I could just wire one of these directly from the inlet port. They look rugged, simple and waterproof and since my needs are pretty limited (heater, laptop, small battery charger) maybe adequate? My space is pretty limited and I'm not looking forward to finding space for the extra equipment (galvanic isolator, circuit breaker panel, chords, plugs, etc.) so if this I could avoid it, and return the extremely expensive electrical equipment I've already bought, it would be a big plus.

Here's the type of thing I'm looking at:

http://www.pacificparts.com/vends/hubbell/hub/hub-circguard.htm

So, my questions are,

1. would this work and be safe?

2. do i still need a galvanic isolator? I don't entirely even understand what these are or why I need them, just that I do.

3. would it be adequate for my power needs? the heater I'll use runs at 1500 watts on high which is about 10 amps. all the GFCI's I've seen say 15 amps. I'll look for a trickle charger for my battery, otherwise my needs are negligible (i.e. laptop, charging my phone). any other fans, lights, or whatever I hookup will be off the 12v system.

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