I want to know the differences between NEMA and UL Standard.

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kwired

kwired

Electron manager
Location
NE Nebraska
Jraef said:
We just had someone at a foundry searching for replacement contacts on a Size 3 starter made in the 1950's. The starter came new on an air compressor that has reportedly been in continuous use since it was installed. No word on how many times over the years the contacts have been replaced, but the guy said that in the 25+ years he has been there they have rebuilt the compressor more often than they have replaced the contacts. (We found them for him.)
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Apparently continuous use wasn't quite accurate if it had to be rebuilt a few times;)
 
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