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Old 10-21-2010, 05:21 AM
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Quote:
Originally Posted by Myka View Post
If I had a dollar for every time my tanks zapped me in the last 20 years I would be able to build that 8' FOWLR I really want. The lights that zap me on a regular basis these days are a set of 2x54w T5s. It's just a tickle. I've been zapped by heaters too, and they seem to pack more punch. I imagine getting zapped by halides would be concerning. I've been zapped by baseboard heaters too, and random 110v wires in houses when the electrician assured me they were off, and I cut the wires. Damn Sparky (the electrician). I was zapped by 240v once...I highly recommend avoiding that. Hindsight doesn't even make that one funny!
I could go on forever about this subject, but hey, what do I know
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Old 10-22-2010, 07:13 AM
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Don't dismiss the lights, particularly flourescents, as the cause for your tickles. Fluorescents in particular can induce a fair amount of voltage into your water via the electromagnetic fields produced by them. If you have clip on individual reflectors such as on a T5HO retro set up, make sure you ground them as well. I used to get a good tingle when brushing up against them with my hand in the water. Grounding the reflectors helped mitigate this, but there will still be some voltage induced into the water by the EMF produced by the light tube.

Here's a link with a little more in depth info. Talks about GFCIs as well and has some thoughts regarding grounding probes.

http://angel-strike.com/aquarium/GFI...alDetails.html
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