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
Electric slip rings: 5 things to know about brushes, voltage drops, and noise mitigation
How The Electrical Slip Rings Work And Dynamic Graph - Technology Article - News - CENO Electronics Technology Co.,Ltd
Rotary slip ring connectors — what are they used for?