The Westgate Mfg PC-TWIST is a twist lock photocell rated for 120277V AC and 1800W (tungsten), providing high-capacity dusk-to-dawn switching for commercial and industrial area lighting on ANSI twist lock sockets. IP65-rated for full dust-tight and water-jet protection, with a plastic housing rated from -40F to 158F for reliable performance in harsh outdoor environments. Carries a 2-year warranty.