J2 Two Circuit Track Sections. Each Circuit is rated at 20A and allows the control of two individual sets of fixtures. Enables the use of two separately switched circuits on one section or run of track. Compatible with all JHT and JTK series track luminaires. Saves on installation costs by eliminating the need for long separate feed runs. Includes two matching end caps. J2-T4 includes 3 JCLIP adapters, J2-T8 includes 6 JCLIP adapters and J2-T12 includes 8 JCLIP adapters.