Voltec 05-00106 12/3 SJTW Outdoor Extension Cord with E-Zee Lock and Lighted End, 50-Foot, Yellow w/Blue Flexible jacket allows you to utilize cord in temperatures ranging from -40 to 140F. Power indicator light quickly alerts you of any possible disconnects between cords UL listed and it carries the UL approval for Canada as well. Jacket resists the harmful effects of abrasions, moisture and sunlight E-Zee Lock feature adds additional locking strength by securely connecting power cords to stop annoying, unwanted disconnects