Best Local handyman electrician - Electrical Contractor Forums - Dimming can be achieved with a 0-10-volt switch or by using the light’s power-cycle feature to activate set brightness levels. LEDs in the panel lights are designed to last five times longer than fluorescent tube light bulbs without the notorious hum or flicker they produce. Free contractor estimates - surge protection installation, electrical wiring inspection, electrical panel troubleshooting, circuit breaker etc. Each LED panel light has a slim, white aluminum alloy frame and an internal 0-10-volt dimmable constant-current driver. The energy-efficient panel lights operate within a 100-277V AC range ..More