Voltec 05-00231 12/3 SJEOW All-Flex Locking Extension Cord, 100-Foot, Black Flexible jacket allows you to utilize cord in temperatures ranging from -58 to +221F 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