DRYER CORD 3 PRONG, 3 WIRE 10-30 plugs into a standard 30A, 3 wire dryer cord outlet. This cord fits 3-prong, 30A 10-30R outlets, commonly found in buildings built before 1996. Consult the manual to determine the wiring of your dryer (or the number of prongs on the cord you're replacing), and the number of holes in the outlet to make sure you choose the right one. BRING POWER WHERE YOU NEED IT with four different lengths, ranging 4 feet to 10 feet, we have the perfect dryer replacement cord to fit your needs. Additionally, the rugged and durable SRDT cable jacket protects the cord against moisture and provides thermoplastic insulation to prevent overheating.