IEEE C57.110-2018 – Non sinusoidal load currents CSA C22.2 No 47 C57.12.70-2020 – Terminal markings and connections for Dist. & Pwr Xmers C9-17 C57.96 - Loading of Dry type Xmers C57.12.91 – Test code for Dry type Dist. And Pwr Xmers C57.12.01-2020 – General requirement of Dry type transformers C57.98 – Guide for Transformer impulse test C57.124 – Detection of Partial Discharge C4 Standard for HV Testing Techniques C57.12.80 Std terminology for Power & Dist. Transformers C22.1-15 – Canadian Electrical code C22.2 No 47-13 Air cooled Xmers (dry-type) C22.2 No 94.2-15 Enclosures for Ele. Equip. CAN3-C235-83(2015) Preferred voltage levels for AC systems