New GFCI will not reset.

[petersonra]

I would guess something like half of the calls I get for problems people are having with our equipment involve a part installed incorrectly in the field, so I am not surprised that such a large percentage of failures were really improper installation.

I realized that what I wrote is not quite what I meant. What I should have said was "I would guess something like half of the calls I get for hardware problems people are having with our equipment involve a part installed incorrectly in the field, so I am not surprised that such a large percentage of failures were really improper installation."