These requirements cover track lighting systems intended for permanent connection to sources of supply in commercial or residential ordinary locations in accordance with the National Electrical Code@ NFPA 70. The track lighting systems covered by this standard are rated:a) 300 volts or less;b) 150 volts or less to ground; andc) 50 amperes or less.Lighting track is intended to be permanently installed and permanently connected to a branch circuit not exceeding 277 volts@ nominal to ground@ and 50 amperes.These requirements cover:a) Track networks consisting of track and connectors;b) Mono-@ duo-@ and multi-point canopies;c) Incandescent@ fluorescent@ and high intensity discharge (HID) luminaire assemblies intended to be electrically connected to and physically supported by the track in track networks and canopies; d) Mounting means for the track; ande) Accessories.These requirements do not cover:a) Busways intended for lighting@ receptacles@ or other general-purpose adaptors covered by the Standard for Busways@ UL 857@ and intended for use in accordance with Article 364 of the National Electrical Code@ NFPA 70; orb) Track lighting systems for marine use aboard a ship or boat.Track lighting systems are not intended for use:a) In wet or damp locations;b) In installations where the track is concealed;c) In hazardous locations;d) Where subject to physical damage;e) Where the track is extended through walls or partitions of building structures;f) Where subject to corrosive vapors; org) In storage battery rooms.A track lighting luminaire assembly that uses a tungsten-halogen lamp@ fluorescent lamp@ or high-intensity-discharge lamp shall also comply with the applicable requirements from the Standard for Luminaires@ UL 1598.