Our commercial grade stringers are perfect for building exteriors, large trees or custom sculptures. This 50′ green string has been pre cut and is ready to use – just add slide on plugs. There is approximately 6″ between the E17 sockets on SPT1 green wire for a total of 100 sockets. UL listed for indoor and outdoor use. 100 sockets 6″ spacing between sockets Male plug only. No female end plug. SPT1 18awg wire 8 amp fuse