Any transformer rated between 3 and 500 KVA, inclusive with a primary voltage of 601 volts or greater.

a transformer for transferring power from a primary distribution circuit to a secondary distribution circuit or a user's service circuit DOD Department of Defense DOMS Director of Military Support DS direct support EAC echelons above corps

A device that converts utility voltage into a voltage and current supply suitable for use in most residential applications.

A transformer used to supply relatively small amounts of power to residences. It is used at the end of the electrical utility's delivery system. Often mounted on a pole.

A transformer that converts electrical energy from a primary distribution circuit to a secondary distribution circuit or customer's service circuit.

a large piece of equipment required for reducing the distribution primary voltage to the secondary voltage, thereby matching the customers' appliances and equipment voltages.