7548SW temporary lighting, 50 ft cord with five-light sockets and plastic lamp guards, three-prong plugs (5-15P). Durable, indoor/outdoor lighting systems accommodate standard (A-23) bulbs up to 150 W. They feature a lamp socket every 10 ft. This lighting system is our most rugged and heavy duty. It features a 12/3 AWG cord. It is made in yellow for high visibility and rated to 300 V. The Plug is rated to 15 A and is the standard shape (5-15R). It also has an outlet (receptacle) on the end to interconnect more than one-set. The plastic lamp guards snap on easily. These have many uses for concerts, parties, outdoor events, construction lighting and commercial lighting. Many people call them string lights.