How to Shorten 3 Wire LED Christmas Lights? And finally, cap the loose ends with wire connectors.Īnd voila! You have successfully shortened your string lights.Then you can cut the string lights from whatever length you want.The first and most important step is to turn the lights off.To shorten string lights wired in parallel, just follow these steps: String lights connected in parallel give 120 volts to each bulb which is why the other bulbs remain unaffected. Then cover the loose ends with wire connectors and finally use the electric tape to secure it in place and cover-up exposed wires.Īnd just like that, your string lights are shortened are ready to brighten up your home! How to Shorten LED String Lights Wired in Parallel?įor string lights that are wired in parallel, they are designed in such a way that each bulb gets its own voltage and is not affected by other bulbs which means you can cut off as many bulbs as you want with no risk of overpowering or burning out the rest of the bulbs. Once you have located the end of a series then, with the lights unplugged, cut the two wires with your wire cutters. So you can tell if you have properly cut out a series section if you cut at a point where the lights are connected with only two wires. String lights wired in series are connected to other lights within the series by 3 wires but this series connects to another series with 2 wires. Step 2: Find out the entire series sectionīut this time take note of where the series begins and ends because that is one series section and when cutting your string lights, cutting out an entire series section is usually the easiest and most ideal option. Replicate the test above that was used to determine how the string lights are wired. Only turn them on when you are sure the wires of your string light are completely covered.įor string light wired in series: Step 1: Identify a series of lights How to Shorten LED String Lights Wired in Series?įirst, be sure to turn your string lights off before you do anything else. If the bulbs around that bulb go out as well, then the lights are wired in series but If the other bulbs still work after you have taken one out then they are wired in parallel. Take out one bulb from anywhere in the middle of the string lights. Just in case you don’t know the difference between string lights wired in series and string lights wired in parallel, there is a simple test you can follow to know which one you are working with. Most string lights are connected in series but there are a few exceptions that are connected in parallel. Electrical tape – To insulate the wires (If your lights will be strung up outside then ensure you use waterproof electrical tape).Wire thimble connectors/Twist-on wire connectors – To secure the end of your LED string lights (If your lights will be strung up outside then ensure you use a waterproof connector).Wire cutters – To shorten your string lights.
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