UL 142:2019 pdf download.Steel Aboveground Tanks for Flammable and Combustible Liquids. 12.2 The steel thickness of tanks storing liquids with a specific gravity greater than 1.0 shall be determined by one of the following methods. a) Vertic...
UL 122:2019 pdf download.Photographic Equipment. 7.1.10 With reference to the requirements in 7.1.2 and 7.1.3. insulated brush caps are not required to be additionally enclosed. 7.1.11 If an interlock is prOvided to reduce the risk of contac...
UL 109:2018 pdf download.Tube Fittings for Flammable and Combustible Fluids，Refrigeration Service, and Marine Use. 4 General 4.1 Tube fittings shall be of the flare, inverted flare, threaded-and-ball-sleeve compression, and other types for...
UL 104:2016 pdf download.Elevator Door Locking Devices and Contacts. a) To prevent the operation of the driving machine by the normal operating device unless the car door is locked in the closed position. b) To prevent the opening of the car...
UL 209:2020 pdf download.Cellular Metal Floor Raceways and Fittings. 5.2 Both the inside and outside surfaces of header duct or trench headers shall be protected against corrosion, If zinc is used, the coating shall comply with the requireme...
UL 103:2017 pdf download.Factory-Built Chimneys for Residential Type and Building Heating Appliances. 6.8 Galvanized steel used for outer casings, structural parts, firestopprng or other components or subassemblies shall have a zinc-coating...
UL 101:2019 pdf download.Leakage Current for Utilization Equipment. 5.1.1 This lest provides a measurement of leakage current from utikzahon equipment. 5.2 Characteristics of measurement circuit and measurement instrument 5.2.1 Measurement c...
UL 98:2006 pdf download.Enclosed and Dead-Front Switches. 6.7.2 Wiring terminals 6.7.2.1 Except as noted in 6.7.2.11 and 6.7.2.12: a) A switch shall be provided with wiring terminals for the connection of conductors having an ampacity not le...
UL 96:2016 pdf download.Lightning Protection Components. CONSTRUCTiON CLASS I COMPONENTS 6 General 6.1 Class I components shall be made of copper, copper alloy, aluminum or aluminum alloy with hardware made from stainless steel, unless other...
UL 94:2004 pdf download.Test for Flammability of Plastic Materials for Parts in Devices and Appliances. 8.5.2 The methane gas supply to the burner shall be arranged as in Figure 7.3 and adjusted to produce a gas flow rate of 105 mImin with a...
