Power male connector. CCTV Camera DC Power Plug Connector - MEGATEH.eu Online shopping EU
RUNCCI-YUN 12 pcs 5.5 x 2.1mm DC Power Coupler ,DC Male To Male Connector,DC Female to Female Connector,5.5mm x 2.1mm 12V DC Power Jack Connector Plug Adapter Adaptor for CCTV Camera: Amazon.co.uk:
1/2" to 2" PVC Nipples Threaded Pipe Fittings Connector BSP Male to Male Adapter | eBay