This AC WORKS brand dryer outlet protective power strip cord [S1430CBF520] is very durable. The cord is 1.5-feet in length and is a NEMA 14-30P to four NEMA 5-15/20R outlets. The NEMA 14-30P is a 30 Amp, 125/250 Volt straight-blade plug. The NEMA 5-15/20R is a 20 Amp, 125 Volt, T-blade household female connector. The cable is an STW, 10/4, 30 Amp copper wire with a 600 Volt anti-cold weather jacket that stays flexible in extreme temperatures. The cord is super durable and typically used with a 4-Prong residential dryer outlet. Included with your purchase is a 5-year limited warranty.