Prime KCPL507830 12/3 SJTW Locking Cord, Red and Blue, 50-Feet Primelok locking connector prevents unwanted disconnects Primelight power indicator light shines when the cord has power Heavy-duty plug and connector won't separate from the cord Cord maintains flexibility from 40-Fahrenheit up to 140-Fahrenheit as it is made for outdoor use Cord is water, weather, abrasion and flame retardant