Amazon.com: Slip Ring Electrical Slip Ring Motor Slip Ring Rotating Connector Slip Ring Electrical Connector Slip Ring Connector 3 Wires 10A Diameter 22mm : Appliances
Taidacent 2 Wires 5A 15A 20A 30A 40A 60A Slip Ring Collector Ring Rotary Electrical Contact (5A) - Amazon.com
ROTOCON Rotating Electrical Connectors | Slip Ring Alternatives