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NEMA DC 20-1992 (R2003, R2009)
Residential Controls—Class 2 Transformers



Number:
NEMA DC 20-1992 (R2003, R2009)
Standard:
Residential Controls—Class 2 Transformers
Year:
2009
Brief Description:

Covers Class 2 transformers intended primarily for use in 30 V RMS maximum low-voltage residential control circuits. Includes definitions, electrical ratings, performance standards, mounting dimensions and marking requirements.

Issuing Organization:
NEMA