SparkChaser
BURY BECK
Premium
join:2000-06-06
Downingtown, PA
 ·Verizon FIOS
 ·Comcast
| reply to sMURF
Re: GFCI breaker tripping
said by sMURF  :By then I had realized that it always trips within a few seconds of plugging in a laptop AC adapter. As a test, I tried running a microwave, and it tripped also. Other things such as a Shop-Vac, lights, and even a computer didn't cause it to trip. The GFI is measuring current in the hot and neutral and comparing them. I don't know what the "resistance" has to do with it.
Are there other outlets on the breaker? Do they all do the same thing?
The fact that the laptop and microwave tripped it makes it sound like the breaker. Both of those devices can have a very "weird" power factor and put harmonics on the line. Were they grounded (3 prong plug)? Another posibility is that they may have some noise suppression to ground that is affecting the current balance.
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"Facts do not cease to exist because they are ignored." - Aldous Huxley
"I'm tellin' you, man, every third blink is slower" - Fillmore
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