Flex connector for 3 wire single circuit straight track.
Single Circuit Track System - H Type - Flexible Connector | GL LED US LIGHTING
WAC Lighting, H Track Flexible Track Connector in White - Amazon.com
Cal Lighting Flex Track Connector | Wayfair
WAC Lighting, H Track Flexible Track Connector in White - Amazon.com
Flex connector for 3 wire single circuit straight track.
LEONLITE H Track Flexible Connector, H Type Single Circuit 3-Wire-1 Track Lighting Kit, UL Listed, Flame Retardant Material, for H Track System, Black - Amazon.com