[Amps] NEC-think.

[John Popelish]

R. Measures wrote:
> 
> On Jan 6, 2006, at 9:10 AM, John Popelish wrote:
(snip)
>> A lose connection at either end would be the most common cause of a
>> high resistance neutral.
> 
> 
> What if the cause of loosening the connection screw on the Neutral wire 
> also loosened a screw on the Ground?
(snip)

The most common cause (I think) of lose connections is thermal cycles 
caused by load cycles.  I see these often enough in industrial 
settings to be on the look out for them.  Sometimes with a thermal 
imager.  Ground connections see no such thermal cycles.