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Old 12-13-2008, 10:47 AM   #16
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Gfi


Quote:
Originally Posted by Silk View Post
The numbers 1 - 6 on the end correspond to 1 through 6 milliamps. As you turn the dial it diverts 1 to 6 milliamps to ground. If the GFCI doesn't trip by the time you get to 6, the gfci doesn't work.
The internal test resistor for the GFI is about 16k, which puts 7.5mA to ground.

And if the tester trips at 1mA you know that 3mA of your 4mA GFI budget is being used up by something downstream.

www.hosfelt.com has all the parts for this except the rotary switch. The parts cost will be less than the shipping cost. It might take 2 hours to build and test.

Hubbell is making a fortune on this gadget. In qty, they probably pay $1 for the parts and assembly is maybe hr.


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