Testing Christmas tree lights is an important task to ensure that your tree is safe and ready for the holidays. Here's how to do it:
1. Unplug the tree from the power source.
2. Check each strand of lights to make sure they are not damaged or broken.
3. Plug one strand of lights into a power outlet and check to see if they work.
4. If they don't work, try another strand of lights until you find one that does.
5. Once you've found a strand of working lights, plug it into the power outlet and connect it to the rest of the tree.
6. Plug the tree