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Old 11-07-2011, 12:53 PM   #11
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Yes they all have 3 prong and are grounded
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Old 11-07-2011, 12:55 PM   #12
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Be back in a minute goin to the hardware store
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Old 11-07-2011, 01:07 PM   #13
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Originally Posted by Sqasnatch View Post
It's a 12 bulb aquatic life with built in fans and blue night led,s can I put the current meter right in the water to test it. And does that mean it is the fixture or just that I'm grounding on the fixture and getting zapped, also why does nothing in the tank seem affected
Its hard to say where the stray current is vs. the ground.

You have to figure that out either using a GFCI with a trip button or a volt meter.

Touch the probe to the water or to the light fixture and you should see a reading. If its in the water, then one of your pieces of equipment has stray current, and your light fixture is the ground. When you body touch both at the same time, you are the conductor for the current, which is why you get zapped.
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Old 11-07-2011, 01:40 PM   #14
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What's setting should the voltmeter be on.
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Old 11-07-2011, 01:51 PM   #15
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Set the meter on volts- ac. When your doing this test I would put your second probe to a ground other than the fixture, ground in the receptacle would be ideal, LEDS can be easily damaged. I would also check the case of your light fixture to ground aswell.
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Old 11-07-2011, 01:57 PM   #16
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I don't completely understand.
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Old 11-07-2011, 01:58 PM   #17
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It on ac volt just not sure where to place the probes
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Old 11-07-2011, 02:05 PM   #18
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It on ac volt just not sure where to place the probes
Place the one probe in the water, just the metal part don't submerse it.

Put the other probe in the grounding hole of a wall outlet.

Tell us the reading.
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Old 11-07-2011, 02:12 PM   #19
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It sounds like there's a short in the light fixture. Start there. I've gotten zapped a few times by a light and it's not fun.
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Old 11-07-2011, 02:13 PM   #20
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Ok so I put the negative probe in the ground and the positive in the water and the light fixture and got nothing for a reading, am I doing it right
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