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Tweakers' Asylum Tweaks for systems, rooms and Do It Yourself (DIY) help. FAQ. |
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In Reply to: Extra care? posted by Neuro on September 18, 2008 at 13:39:38:
>>What measures to you take, now that you do not use a GFCI with your balanced power conditioner?<<
>>>>>>>>>>>>>>>>>>>>>>>>>>>>
One test I can think of is to measure the voltage from each Hot Line output of the xfmr to ground with all the connected loads turned on.
First check the voltage to ground of each Hot Line to ground with out any loads connected. The voltage should be equal. Say 60V from each Line to ground. This voltage reading will become the reference voltage for future testing.
With loads connected and turned on again check the voltage from each Hot line to ground. The reading should be equal from each Line to ground.
If the reading is not equal and one Line is lower than the reference voltage then that would indicate a ground fault in one, or more than one, piece of equipment.
A GFI recept will detect an imbalance in the ac circuit and trip the GFI recept open. That is why GFCI protection is required.
As little as 4 ma differential ground fault current flow will cause a GFI recept to trip open.
It can eliminate the chance of a severe electrical shock.
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Follow Ups
- RE: Extra care? - jea48 21:02:13 09/18/08 (0)