Voltec 08-00189 12/3 SJTW 5-Light Plastic Cage Light String, 50-Foot, Yellow All of Voltec's light strings have pre-assembled cages which saves you time, as well as the cost of installation Sockets are spaced every 10 feet and are the perfect solution to your temporary lighting needs such as construction sites & parking lots UL listed and it carries the UL approval for Canada as well. Flexible jacket allows you to utilize cord in temperatures ranging from -40? to 140?F. Jacket resists the harmful effects of abrasions, moisture and sunlight