Product details
They are commonly used in electronics and DIY projects to provide a power connection for devices like CCTV security cameras, LED strip lights, and small electronic appliances.
Key Specifications
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Connector Type: 5.5mm x 2.1mm DC Barrel Plug (standard size for most 12V electronics).
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Configuration: Male plug on one end, pre-stripped “pigtail” bare wires on the other for easy soldering or connecting to terminals.
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Wiring: Usually color-coded with Red for positive ($+$) and Black or White for negative ($-$ or Ground).






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