My preference is to have a single transformer provide power to two wreaths (therefore, powering four separate 20 LED strings), but I also could see using one transformer for each wreath (power to just two separate 20 LED strings), if that's simpler. I have an outside outlet I could use, but I'm concerned that available transformers might not be weatherproof, so it seems better to me to keep the transformers inside the house. I envision plugging in the transformers inside and running the DC power wires out through the open windows, then closing the windows down on the wires for the season. These wreaths hang outside on four windows, two of those windows are close to each other on each side of the front of the house. And if I run more than one string from a transformer, would I need to multiply the required minimum amperage by the number of strings being powered to know the actual minimum amperage necessary to run that number of strings? So each wreath has two (2) battery boxes, and therefore each wreath requires 4 "D" cell batteries.įrom this, I'm guessing that each string requires 3 volts, but I have no idea what amperage. Each string is powered by two (2) "D" cell batteries in a box. I assume that, with that information, I can buy the correct transformers at Frys or on Amazon.Įach of these wreaths has two (2) strings of 20 LED white lights. But I'm not sure what capacity transformer to get and how to wire it up correctly.Ĭan someone here can tell me the voltage and minimum amperage each transformer will require and how to be sure I wire it correctly?. I want to convert them to run from an AC/DC transformer, because dealing with replacing all these batteries in these each year is such a PITA that we just don't want to do it again (8 tiny screws per each of 8 battery boxes!). We have four (outdoor) Xmas wreaths with white LED lights that are battery operated.
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