Signal Transformer Signal Transformer’s new HCTI Design Kit provides a selection of toroidal inductors for design engineers seeking solutions to support EMI/RFI filtering & energy storage in industrial & consumer goods applications. Read More How to Wire a 24V Transformer | Hunker 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 most common application for a 24 VAC transformer is to activate a doorbell chime. The lower voltage is sent to the push button to engage the chime mechanism. 480v to 240v Transformer Wiring Diagram | Free Wiring Diagram 480v to 240v Transformer Wiring Diagram - Collections Of 480 Volt to 120 Volt Transformer Wiring Diagram Image. 480v 3 Phase Transformer Wiring Diagram Step Down Tags to 120v. Step Down Transformer 480v 120v Wiring Diagram Trusted Wiring. 480v to 120v Transformer Wiring Diagram Elegant 3 Phase Step Down. Acme Transformer T 1 81051 Wiring Diagram Download Collection of acme transformer t 1 81051 wiring diagram. A wiring diagram is a simplified standard photographic depiction of an electric circuit. It reveals the parts of the circuit as streamlined shapes, and the power and also signal links between the devices.