2.1MM DC Plug Blanking Cap
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Prevent unintended shorts with this blocking cap, especially useful for positive-barrel guitar pedal style plugs.
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Model information
- Source
- Printables
- Category
- Electronics
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- Creative Commons — Attribution — Share Alike
I like to change my guitar pedalboard around fairly regularly, and because of this I tend to leave spare DC plugs connected to the power supply. Because so many pedals use the Boss-style positive-barrel / negative-centre DC plugs, that means anywhere between 9-18v is floating around on the board, ready to short out against whatever it can in the middle of a live gig. This little cap solves for that.
There's a little spring loaded tongue inside which makes it a perfect press fit - at least on my plugs! I use ones that came with a MXR powerbrick and CIOKS DC-10 but I'd expect they'd work on most plugs. If you need a longer barrel let me know, happy to adjust it.
I print these in PLA with a 0.4 nozzle.