These requirements cover low voltage power distribution systems and equipment intended for installation and use in dry locations@ other than hazardous (classified)@ in accordance with the National Electrical Code (NEC)@ NFPA 70. The low voltage systems covered by this Outline are intended to be connected to a premises branch circuit rated 600 V or less. A system consists of: a) A single supply connection to the premises branch circuit; b) A power supply with Class 2 output(s) operating at 30 V ac (42.4 V peak) or less@ or 60 V dc or less; c) Interconnecting system (such as a track@ rail@ conductors or cords) for connecting the Class 2 source to low voltage equipment; and d) Low voltage equipment electrically connected to the interconnecting system. The system may also include AC convenience receptacles rated 125 or 250 V@ 15 or 20 A@ meeting the dimensional requirements of ANSI/NEMA WD 6@ Wiring Device ?C Dimensional Requirements. The low voltage systems covered by this Outline are typically intended for installation in or on work surfaces such as desks in office environments (home or commercial). These requirements do not apply to locations such as kitchen counters@ bathrooms@ or similar locations that involve use near plumbing fixtures or heating surfaces. This Outline does not apply to systems covered by the Standard for Suspended Ceiling Grid Low Voltage Systems and Equipment@ UL 2577. This Outline does not apply to systems covered by the Standard for Furniture Power Distribution Units@ UL 962A. However@ this Outline may supplement UL 962A.