Mini Lights – Changing a Fuse

November 4, 2011
Shellie at Christmas Light Source
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This video discusses how to replace a fuse in the male end connector of a set of mini lights. Courtesy of



Hi, this is Shellie out at Christmas Light Source, and I wanted to just visit a little bit with you today about a question we hear quite a bit here. Say you’re in the middle of decorating, and you’ve got a lot of mini lights going into your front yard, or on your tree, and all of a sudden you plug in one more set and poof, they all go out.

Well, more than likely you’ve blown a fuse. You should have noticed when you received your mini lights. For instance, here’s a set of craft lights that I just happen to have sitting on my desk. And in the end of the box, there’s this little package that hopefully you’re putting into a master envelope in your utility drawer, and saving all these little guys, so that in the middle of the night, when you blow a fuse, or you blow a bulb, you have them handy, waiting and ready. I know that sounds a little obsessive compulsive, but you’ll be so glad that you’ve kept track of all these little packages. You’ll see right here is the fuse, and it’s just a little glass cylinder with a filament and some contact ends. And most mini light sets have them.

Well, what you’ve done is you’ve probably run too many lights in series. So what you should do is check the specifications on your mini lights and double check what the manufacturer suggests as the maximum run of lights. Then take a few off the run that you’ve created out in your front yard, replace the fuse, and more than likely that’s going to solve your problem. In order to replace your fuse, in the male end of the plug, if you just take a little flat head screwdriver. There’s a little door, and usually there’s a little slot, or there’s a little way to press, or there’s some sort of place that has some traction where you open up the little door and expose the two little fuses that are inside.

You’re going to look closely and see more than likely one of those fuses is going to be smoked like last Thanksgiving turkey. So then just take, and of course you’re not going to be connected to power or anything like that. Take a little tiny Phillips or flat head screwdriver, then just simply insert that in there, press down, pop your fuse out, and replace that little fuse with a new fuse. Then after of course you’ve adjusted how many mini lights you have connected in series, just go ahead and try plugging your lights back in, and more than likely that will solve your problem.

Now, not all mini light or Christmas light plugs are exactly the same. You may find that your plug requires two fuses, so you’ll need to have that little replacement fuse handy to install, or with a lot of our LED mini lights, you only need one fuse and then there’s an extra fuse behind the door in the little compartment to use as a backup, or a spare.

So the next time you’re running your mini lights, and poof, they all go out all at once, more than likely you’ve blown a fuse, and now you know how simple and easy it is to replace that. Thanks so much for stopping by, and have a Merry Christmas.

Aside from throwing dinner parties that feature at least two kinds of cheese dip, Shellie's passions include travel, Mid-Century Modern furnishings and finding the perfect street taco. Has been known to snort laugh champagne.

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