Ok, I was playing in my new (cycling) 180 and got a tingle from one of my lights a few weeks ago. Figured it was cause I had damp hands and moved on. Tonight I got a tingle from my brand new DT light. Not bad, just enough to know it was not right. So I am all paranoid because of Andrews problems with the k4's, so I break out the voltmeter. I get 30volts in the water! So I unplug the two Koralias, down to about 20, unplug the heater, down a bit more, the skimmer, the return pump. You get the idea, I do not get a reading below 3volts until EVERYTHING is unplugged. WTF? I'm an electrical idiot so I need help bad!\n\nThen I figured I'd check out the little 46 thats been running since last october......38volts! I gave up and that point and settled down for alot of reading, but I'm not having much luck finding an answer!