UL Standards

1.1 This Standard contains requirements for water mist nozzles for use with water mist fire-protection systems intended for the protection of residential, light and ordinary hazard areas as well as shipboard machinery, control spaces, service areas, and public spaces. The intended application and use of a water mist nozzle is referenced in the Manufacturer’s Design […]

1 .1 This standard applies to transformers and power supplies, including those intended to be connected to a Class 2 source of supply, that provide the voltage and ballasting for neon and cold-cathode tubing (electric-discharge tubing) consisting of electrodes and gas such as neon, mercury, helium, argon, and similar gases, enclosed in glass. Neon transformers

1.1 These requirements cover the construction and performance, exclusive of performance during fire tests, of portable halocarbon clean agent fire extinguishers. Halocarbon clean agent fire extinguishers are intended to be utilized in accordance with the Standard for Portable Fire Extinguishers, NFPA 10 and with the National Fire Code of Canada. 1.2 The requirements for performance

1.1 These requirements cover processed solid-fuel firelogs that are intended for use as an alternative fuel in factory-built fireplaces and masonry fireplaces. 1.2 These requirements also cover processed solid-fuel fire starters, with a volatile fuel content not exceeding 75 % of the total fuel content, intended for use in factory-built fireplaces, solid-fuel burning appliances, fireplace

1 .1 This is a fire test method for determining the fire performance response of discrete products (including, but not limited to electrical, mechanical, and plumbing equipment) intended to be installed in air handling spaces, such as above suspended ceilings or below floors. These products are subjected to an open flame ignition source and evaluated

1.1 These requirements cover machines intended for general industrial use, operating from a voltage of 1000 volts or less. This equipment is intended for installation in ordinary locations, in accordance with the National Electrical Code, ANSI/NFPA 70, where the ambient temperature does not exceed 40°C (104°F) maximum. 1.2 These requirements also cover the following type

1.1 These requirements cover telecommunications-circuit accessories, such as jack and plug assemblies, quick connect terminal assemblies, telephone wall plales, telephone extension cords, cross-connect terminal-block assemblies, maintenance terminal modules, terminal enclosures, cable-splice enclosures, network interface devices, wire-guide assemblies, and connector boxes. 1.2 These devices are intended to be used in telecommunications networks that have an operating

Replace this clause ofthe RD with the following: 1.1.1 Equipment covered by this Standard This Standard applies to UNINTERRUPTIBLE POWER SYSTEMS ( UPS ). The primary function of the UPS for this Standard is to ensure continuity of an alternating power source. The UNINTERRUPTIBLE POWER SYSTEM may also serve to improve the quality of the

1 .1 These requirements cover shut-off valves, with or without relief valve, that are for use on cylinders that comply with the specifications and charging and maintenance regulations of the U.S. Department of Transportation (DOT) or the corresponding specifications and regulations of Transport Canada (TC). 1 .2 Valves covered by these requirements are for use

1.1 These requirements cover electrically operated smoke detector monitors intended to be used in ordinary indoor locations in accordance with the National Electrical Code, NFPA 70; the Life Safety Code,NFPA 101; and Chapter 2 of the National Fire Alarm Code, NFPA 72. 1.2 As covered by these requirements, a smoke detector monitor is a unit