If you are unable to replace your old ... using nails, staples, or metal hangers to secure fairy light cables, especially outdoors, as these can pierce or pinch through insulation, risking a fire ...

If a wire has fraying, do not risk plugging it in and starting a fire, grab another batch and toss out those old lights ... “Don't use nails or metal staples, even outside,” said Cornwell.

Make sure the tree is not blocking an exit as this could create a fire hazard. Add water to the tree stand daily. Some lights are only for indoor or outdoor use, so be sure to use lights that are ...