UL 879A-2012 pdf download - LED Sign and Sign Retrofit Kits. 5 Glossary 5.1 CLASS 2 CIRCUIT – The wiring, conductors and components connected only to a Class 2 supply source. See Class 2 Supply Source, 5.2....
UL 1436-2016 pdf download – Outlet Circuit Testers and Similar Indicating Devices
UL 1436-2016 pdf download - Outlet Circuit Testers and Similar Indicating Devices. 9 Spacings 9.1 There shall be a spacing through air or over surface of not less than 3/64 in (1 .2 mm) for devices rated...
UL 1489-2016 pdf download – Fire Tests of Fire Resistant Pipe Protection Systems Carrying Combustible Liquids
UL 1489-2016 pdf download - Fire Tests of Fire Resistant Pipe Protection Systems Carrying Combustible Liquids. 5.2 Conditioning 5.2.1 Prior to fire testing, each fire resistive pipe protection system and floor or wall assembly is to be...
UL 1562-2013 pdf download – Transformers, Distribution, Dry-Type – Over 600 Volts
UL 1562-2013 pdf download - Transformers, Distribution, Dry-Type – Over 600 Volts. 1 0.3 The neutral bus bar and a terminal pad provided for securing the neutral pressure terminal connector on a transformer marked with a K-factor...
UL 1565-2013 pdf download – Positioning Devices
UL 1565-2013 pdf download - Positioning Devices. 1 .1 This standard applies to those metallic and nonmetallic devices used for positioning – which may include bundling and securing – or to a limited extent supporting cable, wire,...
UL 1678-2012 pdf download – Household, Commercial, and Institutional-Use Carts, Stands and Entertainment Centers for Use with Audio and/or Video Equipment
UL 1678-2012 pdf download - Household, Commercial, and Institutional-Use Carts, Stands and Entertainment Centers for Use with Audio and/or Video Equipment. 2.2 ACCESSORY – An optional part that interfaces with the basic cart, stand or entertainment center...
UL 1691-2012 pdf download – Single Pole Locking-Type Separable Connectors
UL 1691-2012 pdf download - Single Pole Locking-Type Separable Connectors. 3.1 .2 A component is not required to comply with a specific requirement that: a) Involves a feature or characteristic not required in the application of the...
UL 1767-2013 pdf download – Early-Suppression Fast-Response Sprinklers
UL 1767-2013 pdf download - Early-Suppression Fast-Response Sprinklers. 5.1 1 OPERATING TEMPERATURE – The temperature at which the heat responsive element of a sprinkler operates when immersed in a liquid bath under controlled rate of rise conditions....
UL 1917-2013 pdf download – Solid-State Fan Speed Controls
UL 1917-2013 pdf download - Solid-State Fan Speed Controls. 4 Units of Measurement 4.1 Values stated without parentheses are the requirement. Values in parentheses are explanatory or approximate information. 5 Undated References 5.1 Any undated reference to...
UL 1989-2013 pdf download – Standby Batteries
UL 1989-2013 pdf download - Standby Batteries. 3.6 BATTERY, NICKEL-METAL HYDRIDE STORAGE – An alkaline storage battery in which the positive active material is nickel oxide and the negative contains a metal hydride alloy, and the venting...