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5.5 / 2.1mm Barrel Connector - DC Power Plug : ID 3310 : $0.95 : Adafruit Industries, Unique & fun DIY electronics and kits
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DC Power Socket Jack Connector Adapter 5.5 mm x 2.1mm / 5.5 mm x 2.5mm / 3.5 mm x 1.35mm Female Plug Adapter
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Cables : Male to Female 2.1mm x 5.5mm Plug DC Power Adapter with 2 BNC Female Adapters CCTV CCTV-EXTENSION by www.valley-ent.com
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Amazon.com: Female Barrel Connector Plug 5.5mm x 2.1mm for CCTV Cameras/Single Color LED Strips Pack of 10 pcs : Electronics
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PC-1.7/5.5 - Plug | DC supply; female; 5.5/1.7mm; 5.5mm; 1.7mm; for cable; 10mm | TME - Electronic components
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