Historical
IEEE C57.12.01-2015
IEEE Standard for General Requirements for Dry-Type Distribution and Power Transformers
Electrical and mechanical requirements of ventilated, non-ventilated, and sealed dry-type distribution and power transformers or autotransformers (single and polyphase, with a voltage of 601 V or higher in the highest voltage winding) are described.
Institute of Electrical and Electronics Engineers [ieee]