100′ Black wire with 12″ spacing between 100 sockets. Professional sockets feature weep holes for trouble free damp weather performance. SPT2 insulation provides 10 amp capacity to support longer runs. Features a male plug only, no female end connector. Compatible with LED or incandescent bulbs with E17 Intermediate (17mm) bases. Use with E17 base bulbs including C9, G50 and S11. Bulbs sold separately. UL Recognized Components, rated for Indoor / Outdoor use. Maximum watts per run: 960. Equivalent to 192 5 watt bulbs.