Command Tower industrial stack lights have housings of polished 16 gauge 304 stainless steel or mild steel with nickel plating or black powder coat. They use high-output LEDs in red, yellow, green, blue or white, and can be supplied with colored lenses or with white diffusing lenses using colored LEDs. All are offered in 24 Vdc with a 120 V option. Wiring is via an integral, PVC-jacketed, multi-conductor cable that’s flex duty rated.
