Instructions for bulb testing and troubleshooting on an artificial Christmas tree and incandescent light strings.
Why is it that you always test 48 bulbs before you find the bad one in a 50-light string? This simple circuit allows you to divide and conquer,...
Fixing Broken Christmas Lights: Learn how to fix common issues with Christmas ... After testing the lights and making sure the bad socket fixed the problem, ...
Find a holiday light problem and fix it fast with this simple tester and repairer. You don't have to test every bulb!
Second, test the bulbs with an inexpensive tester, available where holiday lights are sold and online. Usually, changing a problem bulb (or tightening it) will fix ...
Buy Christmas Light Tester: Indoor String Lights - Amazon.com ✓ FREE DELIVERY possible on eligible purchases.
But a strong urge to dominate anything technical clouds your better judgment and you find yourself going after the malfunctioning strand with a non-contact tester ...