AC control voltage for individual pump control shall be 120V obtained from the control power transformer with isolated fused secondary, in the pump motor starter, with provisions for connecting an auxiliary test source for testing the control circuits without actually running the pump. Adequate safety interlocks shall be provided to ensure that the auxiliary source can be connected only if the pump motor circuit breaker is open (in low voltage systems) or only if the draw-out type contactor or circuit breaker is in the test or drawn out position (in medium voltage systems). (28-ME-DG-02 § 23.10)