What Is Vac On A Transformer?

What Is Vac On A Transformer? A 24 VAC (volt alternating current) transformer is a step-down type of transformer. The device typically converts 120 VAC to a lower voltage for use in push buttons. The 24 VAC transformer is also employed in many thermostats for home heating, ventilation and air-conditioning systems. What does 120 VAC … Continue reading What Is Vac On A Transformer?