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NEMA Std TR-1 on Transformer.

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prc

Electrical
Joined
Aug 18, 2001
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The above was (is?) a popular standard on Transformers.The last edition seen was 1980. Is it still valid? Or Revised?If so when?
 
TR-1 is an active NEMA document.

Go to search function; enter search standards; enter TR-1.

You will find the standard is active: TR 1-1993 (Revised 2000)and available.
 
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