- Spacing: 15 inches
- green wire
C9 1000' x 800 Socket SPT2 18ga Green Wire 15 Spacing. Order a green C9 light socket string from Artificial Plants and Trees, and simply add the bulbs of your choice. These wire socket strings come in three lengths, and one of them will surely suit your Christmas lighting needs. This light socket string is available in lengths of 50', 100', and 1,000'. Don't forget the bulbs - this product is for the socket string only!