[Shop-talk] LED power cord

[David Scheidt]

On Sat, Feb 21, 2026 at 6:46 PM Ronnie Day <ronnie.day at gmail.com> wrote:
>
> Tim, you can extend the cable of the power adapter, or make what you need rather than modify the power adapter you have.
>
> You need an in-line female coaxial barrel plug, enough two conductor wire to reach the device you're using, and a male coaxial. The thing is coaxial barrel connectors come in a wide variety of internal and external diameters. There is no one standard size. Radio Shack used to be the place to get the barrel connectors, but now I'd check Mouser Electronics or maybe Parts Express.

For something like this, Amazon is a good bet.  I've bought a bunch of
these there, wouldn't use them for production, but they're fine for
this sort of work.  Probably have to buy 10 of them, but they're cheap
enough.  Measure the plug with calipers, and get the ends you need,
and some silicone covered two lead wire, and build your extension.




--
David Scheidt
dmscheidt at gmail.com