Amazon.com: Ancable 2-Pack 3.5mm 1/8" Monaural Mini Mono Plug to Bare Wire 6-Feet - 12V DC Trigger ON/Off Cable : Electronics
HOME DZINE Home DIY | How to strip cable and wire a plug
Amazon.com : MILAPEAK (Real 18AWG) 10 Pairs 12V 5A DC Power Pigtail Barrel Plug Connector Cable, 2.1mm x 5.5mm Male Female DC Pigtail Connectors for CCTV Security Camera and 12V Power Supply