Voltec 05-00131 12/3 SJTW Locking Extension Cord, 100-Foot, Yellow with Blue Stripe Flexible jacket allows you to utilize cord in temperatures ranging from -40 to 140F. Twist Lock plugs and receptacles provide a level of security for devices that must not be unplugged accidentally UL listed and it carries the UL approval for Canada as well. Jacket resists the harmful effects of abrasions, moisture and sunlight Features a solid molded-on vinyl connector for high resistance to breakage and abuse