Your commercial Christmas lights are quick and easy to install with this heavy duty white wire and socket SPT-1 stringer. The 100 foot, 18 AWG wire stringer has intermediate sockets spaced 12 inches apart for screw-in C9 bulbs. Use this stringer with C9 incandescent, C9 retrofit LED, and G50 globe shaped lights. The 20-inch lead makes it easy to reach the outlet and features a male only connection with a fused plug for added safety. Add elegance and charm to any business lighting display with this reliable and durable socket stringer.