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Old 05-30-2013, 01:34 PM   #1
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Wiring of rv water tank probes

All, I am wiring up new rv water tank probes, I was wondering this is of coarse 12v, but if it has the positive run through it and some one is drinking water couldn't they get shocked?
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Old 05-30-2013, 02:27 PM   #2
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It is 12 v or less. The electricity will take the path of least resistance, which is from the positive to negative probes in the tank. No chance of a shock or even a tingle even bare foot and standing in water.
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Old 05-30-2013, 02:34 PM   #3
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I guess I am confused how a tank sensor works, I thought that when you push the "test" button, it sends positive current to one of the 4 probes, The other 3 probes receive the positive current and which make the light on the panel light up? So your sending positive 12v electricty through the water tank which pressing the "test" button ???
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Old 05-30-2013, 02:39 PM   #4
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I found it, negative side of the 12v system go through the tanks not the postive,

https://skydrive.live.com/?cid=AE67F...60&app=WordPdf
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Old 07-30-2013, 02:50 PM   #5
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Electroshock that causes life-threatening heart fibrillation is cause by low frequency alternating current, not direct current. To add to this, voltages of 12 volts or below typically do not cause current levels that can be felt, much less be dangerous to the human body.
I am a retired University Medical Center Biomedical Electronic Equipment Technician.
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Old 07-30-2013, 04:07 PM   #6
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Quote:
Originally Posted by WDK450 View Post
Electroshock that causes life-threatening heart fibrillation is cause by low frequency alternating current, not direct current. To add to this, voltages of 12 volts or below typically do not cause current levels that can be felt, much less be dangerous to the human body.
I am a retired University Medical Center Biomedical Electronic Equipment Technician.
That explains why I didn't croak when I stuck a 9V battery on my tongue (I was a lot younger then)
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