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NEMA DC 20-1992 (R2003, R2009, R2014) covers Class 2 transformers intended primarily for use in 30 volts rms maximum low-voltage residential control circuits. It includes definitions, electrical ratings, performance standards, mounting dimensions, and marking requirements.
Product Details
- Published:
- 03/05/1992
- Number of Pages:
- 18
- File Size:
- 1 file , 470 KB
- Product Code(s):
- 100189, 100189
