Quote:
Originally Posted by mike31154
So are GFCI receptacles or circuit breakers for 220 easy enough to source? Do they even exist? I'm fairly certain you can't install a conventional GFCI device into a 3 wire circuit, black/red/white/green (green earth wire is not counted). With two hot wires, black and red feeding current through the single white neutral, there's going to be an imbalance, tripping the GFCI. So the next question would be, how comfortable are you hooking up devices near/in the water without GFCI protection?
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No, I would not use a 220 GFCI. Acctually, personally, I do not have ANY GFCI's on my tanks at all. I'm an electrician. BUT, if you want some, GFCI Plugs are the way to go. Why? Well, when something grounds out, Which piece is it? And if your using a GFCI breaker to protect the whole tank and equip guess what? The whole tanks power goes out. Now, most of you put boxes with multiple plugs under the cabinet. Spend the extra $(Its piddly compared to what we got into our tanks really) and do separate GFCI plugs. Then you would have the 220 for any lighting/funky Euro pumps, but also, GFI plugs for the immersed equip.
Thats how I would do it.