referThis standard applies to all distribution and power transformers and to shunt reactors except as indicated below: Instrument Transformers (see USA Standard Requirements@ Terminology@ and Test Code for Instrument Transformers@ C5 7 .13-1968) Constant-Current Transformers of the MovingCoil Type (see USA Standard Requirements@ Terminology@ and Test Code for ConstantCurrent Transformers of the Moving-Coil Type@ C57.14-1964) Step-Voltage and Induction-Voltage Regulators (see USA Standard Requirements@ Terminology@ and Test Code for Step-Voltage and Induction- Voltage Regulators@ C57.15-1965) Current-Limiting Reactors (see USA Standard Requirements@ Terminology@ and Test Code for Current-Limiting Reactors@ C57.16-1958) Specialty Transformers (see USA Standard Requirements and Terminofogy for Specialty Transformers@ C89.l-1961) Rectifier Transformer Equipment (see USA Standard Requirements@ Terminology@ and Test Code for Pool-Cathode Mercury-Arc Rectifier Transformers@ C5 7 .18-1964) Arc Furnace Transformers (see USA Standard Requirements for Arc Furnace Transformers@ C57. l 7-1965)