Ethernet Slip Ring - 1000/100/10 Base T by Rotary Systems, Inc.
Taidacent Hollow Slip Ring Rotary Electrical Contact 2/4/6/12 Wires Collector Ring Conductive Electric Motor Slip Ring Rotating Connector (6 Wires 10A Inner Hole 12.7mm OD 54mm) - - Amazon.com
Amazon.com: Taidacent 6 Wires12 Wires 2A 5A 10A 15A 20A 30A Collector Ring Rotary Electrical Contact Electrical Slip Ring Joint Rotary Connector (6 Wires 10A) : Tools & Home Improvement
Pancake slip rings | rotarX
Amazon.com: Taidacent 6 Wires12 Wires 2A 5A 10A 15A 20A 30A Slip Ring Collector Ring Rotary Electrical Contact Electrical Slip Ring Joint Rotary Connector (12 Wires 2A) : Tools & Home Improvement
Slip ring connector for rotating electrical connection - YouTube