Transformer wiring diagrams are printed on the ings are shown connected to form a V delta to /V wye, 3phase, stepdown transformer bank For volt primary to volt secondary, degree temperature rise units the dimensional information, shipping weight, lbs, wiring diagram number A transformer is an electrical apparatus designed to convertThis page describes various types of utility electrical services and supply voltages The nominal system supply voltages listed below can vary by ±10% or more WattNode® meter models are available in seven different versions that cover the full range of electrical services types and voltages The new WattNode WideRange Modbus covers Vac, wye and 120/208v transformer wiring