Sometimes just 2 or 3 of these strings tacked up on a house can pose a danger. Chief John Long, OKC Fire Dept. Finally, before you start plugging away, be sure to read the instructions. They're on the box, and the cord. Another label to check is whether the lights are rated for indoor or outdoor use.
Indoor lights can fritz out when they get wet, and Outdoor lights get too hot when used inside.
On Consumer Watch, Chris Halsne, News Nine.