Feature List Body Construction Constructed of durable injection-molded plastic. Electrical 2-Circuit power distribution system designed to extend the power to end of two track sections. With two (2) hot terminals and one common neutral, each circuit is rated 20A (2 × 20A = 40A max). Includes one ¾" knockouts on backplate for BX or sheathed cable.Compatibility Compatible with all A-Line® 2-circuit tracks.Mounting This connector attaches to the end of the track and includes screws to secure it in place. Includes a backplate that may be mounted on to T-bar ceiling tiles.Labels cULus listed.