fixing the plug on a string of christmas lights
textilejo
15 years ago
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joed
15 years agoRelated Discussions
Is there a fix for my Avon LED Christmas house?
Comments (3)Can't say without seeing the objects. Very likley, the color wheels are driven by a simple clock motor and all it needs is freeing up and maybe a little shaft lube on the rotor. Again, I can't really say because I don't know how difficult it is to disassemble to get at the moving parts. Clock motors can stick when stored for period without moving. Next to a basement floor is a bad location to store due to humidity. A tiny amount of corrosion or oxidation of the lubricant on the rotor shaft will stall the motor. Sometimes, all it takes is a little manual boost to get it going again....See Morehow to troubleshoot LED Christmas strings
Comments (5)Thanks for your reply. They are Canadian Noma brand, and they contain no other electronic components than the LED's themselves. I've been on the site you are mentioning, but they don't really tell how to troubleshoot those LED's. Are they different from regular direct current LED'S? If not, how can I locate the bad one(s) in the string? Thanks....See MoreChristmas tree lights
Comments (11)Hi! If you are sure that your wall receptacle works, I am going to guess that you have that tree for a couple of years and have never replaced the burnt out bulbs. These trees are equipped with several bulbs connected in series, and each bulb contains a shunting device so that if one bulb burns out, the rest stay lit. However, each bulb that burns out puts more "stress" on the other lights, and if too many bulbs within a series burn out, it will "burn" the shunting device in one or more bulbs, killing the whole series. What you need to do is look on the cord or the base of the tree, or on the box that the tree came in, or on a card that was included in the box, there will be a sticker (usually close to the plug or besides the UL listing sticker) that mentions what voltage bulbs your tree uses (typically 2.5 or 3.5 volts), and buy replacement bulbs. Keep in mind that if you need many bulbs, as I think will be your case, it might be cheaper to buy a complete string that uses the same voltage bulbs, and "steal" the bulbs. This is where the light keeper pro comes in handy; by plugging the strings into the device (don't plug the entire tree into the LightKeeper, plug each section one at a time), the faulty bulbs will emit a buzzing sound, providing you don't have too many faulty bulbs. If no bulbs emit a buzz, or if they almost all buzz, you can remove each bulb by holding the socket firmly and pulling (without twisting) on the green base of the bulb, and check them one by one with the light keeper. Replace any bulb that doesn't light, and if the new bulbs have bases that don't fit into the sockets you have, you can "swap" them with the original base by straightening the two wires at the bottom of the base, inserting the bulb into the old base and bending back the wires. The little card that was included with your tree, or the new bulbs' package should explain how to do this. To prevent this from happening again, keep a couple extra bulbs handy, and check weekly for burnt out bulbs, and replace the one(s) that don't work. It will also help the bulbs last longer. I hope that I was not being too technical for you. Feel free to ask for more help if you need....See Moreabout Christmas Lights
Comments (2)The three wires may look confusing at first, but are really very simple - two of them just feed a hot and neutral downstream from one end to the other - the third is just a series feeder. Let's say you have a strand with 180 light bulbs and it has light bulbs rated at 2 volts each. So first you put 60 of them in series and it will drop the 120 VAC over them equally to 2 volts each. The next set of 60 light bulbs is just placed across the continuing parallel hot/neutral pair, again in series, and drops the voltage accordingly. The last set of 60 light bulbs does the same thing. The light bulbs also may include a "shunt" which has a slightly higher resistance than the bulb filament itself, but will continue to conduct downstream the keep the strand lit if the filament burns out. With LEDs, there are more options to address inline failures and voltage drop depending on strand length. Without getting into the "defeating the UL listing" of the light strands, yes, you can just wire nut them together, but can't you just hide the plug/receptacle connection?...See Morerjoh878646
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