Ventex electronic neon power supply delivers the high voltage that operates neon and cold-cathode tubing. The UL 2161 listed unit provides a self-adjusting milliamp output and includes open-circuit, short-circuit, and ground-fault protection. Offered in indoor and outdoor models from roughly 2kV to 12kV at 15mA, 30mA, and 60mA classes. The rating selected sets how much neon footage the unit will drive. Designed for neon sign systems.