Tattoo RCA Cable Options - Need an RCA cable to connect your tattoo machine to your power supply? We have a wide variety of RCA cord options here, including right angle RCA cable choices, RCA cord sold by the foot to which you can connect your preferred phono plug, long RCA cables that give you plenty of room to maneuver while you\'re tattooing, RCA cable connectors that will allow you to convert your spring style clip cord to an RCA cord, and other tattoo RCA cable options.