Operating on 277 V, Model WAL-SL-51-PAR38-LED-12.4 consists of 51 industrial grade LED lamps with 10 ft of 12/4 SJTW cable between each unit, stretching total of 510 ft. Each LED light screws into molded E26 lamp socket and produces 2,500 lm for total of 127,500 lm. Constructed from lightweight aluminum, lamp housings are fitted with impact- and shatter-resistant polycarbonate diffusers. Multiple stringer sections can be daisy chained together via 5 ft whips terminated in twist lock connectors.