Electronic ballasts have fast start-up and they reach full brightness quickly. Electronic ballasts are completely silent and produce less heat. The cut-off circuitry - cut off when a short is detected. For ultimate safety.
This increases the lamp life and allows the end user to start multiple ballasts at the same time without tripping breakers.To ensure safe operation, the ballast is programmed to automatically shut off in case of a short in wiring or a faulty or missing lamp.