The FSJ 12v Track Adapter to fit Lightolier by LBL Lighting allows Fusion Jack elements to be track-adapted. Fits Halo and Juno* single-circuit track. 75W 120V IN/12V OUT electronic transformer housed in black or white casing. Female Fusion Jack port installed. Order elements as FSJ. For a well crafted solution for your lighting needs, use the FSJ 12v Track Adapter to fit Lightolier into your space today.