High Quality, UL listed 2-CCT/2-Neutral- Low Profile,easy and Flexible Installation- For Use With Specified Intense Track Fixtures- Dimming feature available - see track luminaire for compatibility.- UL listed For Dry LocationsSuperior performance for dimmed lighting, low life-cycle cost, and high power handling capacity make the Intense Professional Series track lighting an excellent choice. The 2 circuit / 2 neutral 120V track is ideal for dimming intensive applications. The independent neutrals guarantee that the two circuits are completely isolated. Cross-circuit interference and neutral harmonics are completely eliminated, essential for trouble-free dimming. The lack of harmonics ensures superior fixture performance and longer equipment life. Independent neutrals also offer twice the power handling capacity of ordinary common neutral track.