1.1 These requirements apply to low voltage lighting systems and components intended for permanent installation and for use in locations in accordance with the National Electrical Code, NFPA 70, Article 411.

1.2 These requirements cover:

1. a) Power units in which output is limited to 25 A and below the risk of electric shock voltage levels as defined in 19; and

2. b) Class 2, exposed bare conductor, POE, and other low-voltage luminaires and lighting systems.

1.3 These requirements do not cover low-voltage luminaires with integral power supplies or luminaires covered by other standards such as, but not limited to, the Standard for Portable Electric Luminaires, UL 153, the Standard for Track Lighting Systems, UL 1574, or the Standard for Luminaires, UL 1598.

1.4 Light emitting diode (LED) components and subassemblies integral to a low voltage luminaire or power unit covered by this standard shall comply with the applicable requirements of the Standard for Light Emitting Diode (LED) Equipment for Use in Lighting Products, UL 8750.