Most new packs of Christmas lights come with a replacement fuse—which should give you a clue as to how common fuse problems are with these things. A blown fuse also causes the entire string to ...

For those of us not quite as skilled in the electrical trade, here are some common problems with string lights and how to solve them.

To fix burnt-out bulbs, untangle all string lights and check for frayed wires, damaged sockets, or broken bulbs. Discard any damaged bulbs, and then replace them with spare ones.

Learn how to repair non-working LED bulbs with just electrical tape. This easy fix involves using a 1.5V battery and insulating tape for one method, while a soldering iron helps with the other ...

An aircraft engineer and nurse-turned-tinkerer say you should try fixing your broken holiday string lights, before tossing them into the landfill.

With so many options to choose from — string lights, LED fixtures, rechargeable lamps and more — we asked designers of landscapes and lighting to share their advice.