LEDwholesalers Dimmable 24-Volt DC Magnetic Transformer Power Supply for LED Flexible Strips, ETL Listed, 150 Watt, 3234-24V Dimmable with most standard MLV TRIAC (leading edge) dimmer switch Dual protection primary and secondary circuit breakers Nema 3R Enclosure suitable for outdoor use Two knock-outs for conduit ETL listed; certified to CSA standard