This AC WORKS brand RV/ Generator/Range protective power strip cord [S1450CBF520] is very durable. The cord is 1.5-feet in length and is a NEMA 14-50P to four NEMA 5-15/20R outlets. The NEMA 14-50P is a 50 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 an RV campground, residential range outlet, generator, construction, and industrial equipment. Included with your purchase is a 5-year limited warranty.