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I've got bunches of these strips and power supplies. Most of the commercial supplies made for them are switching type (no transformer), so there won't be much power waste if they're over-capacity.I'd recommend just getting a bunch of the cheap Chinese supplies made for the strips. Nice thing is they come with the proper connectors, so it becomes plug-and-play.
This strip simply ends with a red and black lead exiting the strip.
I use an old 430w ATX power supply. Feeds all 10 of my strings with no issue.
I've got bunches of these strips and power supplies. Most of the commercial supplies made for them are switching type (no transformer), so there won't be much power waste if they're over-capacity.
Also to split hairs, even the switching type supplies still use a transformer, but it is a totally different transformer, used in a different way than in the old style analog supplies.
I have 3 of the same strips and I have no idea whatsoever how to power them. They light up when I use a 200ma power supply. My main problem is trying to figure out how much power they use in watts. If they use more watts than what I already have then it really doesn't matter that they are LEDs. (wanted to use under my kitchen cabinets)
I knew that.