Can I Cut Led Christmas Lights

Electrical tape this is optional but if you want to make sure that your wire nuts are secured then it s best to purchase a roll as well.

Can i cut led christmas lights. Even if they work at first they won t last long. Cut the led strip apart with scissors. When your three strand christmas lights are too long for the place you had intended and you do not have any shorter strands you can shorten your light strand in a couple of easy but time consuming ways. You should be cutting between the copper dots.

A pair of scissors will do the job. Use wire cutters to strip the ends of the two wires cut in the previous step. Yes you can cut led strings down to whatever length you need. We explained in our article answering the question are christmas lights in series or parallel we discussed that while mini lights with small wiring harnesses wired in series cannot be easily cut to custom lengths parallel wired cords can be cut and terminated.

Line up the cut carefully to avoid damaging the leds. You can find led calculators to determine the propper resister but too many different voltages for different leds. After twisting the wires together secure with a wires connector. If however you are installing c7 c9 18 awg christmas light cords with sockets and screw in bulbs that are wired in parallel yes you can shorten them.

R v supply n v led over i led p i led 2 r. This problem can occur when christmas lights are added to the yard and yard decorations. Hold the lights still and cut along the dotted line. Wire cutters again a pair can be purchased in any hardware or electrical supply store.

As stated you must change the current limiting resister to match. If you are handy with a multimeter it is really simple. With the lights unplugged cut the two wires that enter the last light in the series strand with wire cutters. They will be used to cut and shorten your led christmas lights.

No you can t lengthen or shorten standard series wired incandescent and led christmas tree light strings that are made with 2 or 3 wire harnesses. This video will show you how to cut an led string so you will have a usable length without have to much left over. They re also available online. If you know or can measure the led current for each led end therefore for a series and the voltage drop of each and the applied voltage you could calculate the resistance and wattage of a resistor to limit the current to a safe value.