Awasome Check Christmas Light Fuse References. Each year, look for signs of damage, including frayed wires or cuts or cracks in the wire sheathing along the whole length of each strand. Inspect the christmas lights (image credit:
Klein multimeter ac/dc voltage tester, continuity, current, resistance, frequency, temperature and. Many christmas lights are sold with spare fuses for this purpose. First, unplug the string lights and.
