What is this bulb from our Christmas light string. All of the other lights have a green base and this one has a plastic cover over it and is the first light
Replacing Fuse Bulbs - YouTube
allsun Christmas Light String Tester Non Contact Voltage Finder Meter Light Bulb&Fuse Checker Gun 12-600 V AC Mini Light Repairing Tool, Blue: Amazon.com: Tools & Home Improvement
How to Replace a Fuse on Christmas Tree Lights: 9 Steps