Standards World

UL 2231-1:2016 pdf free download - STANDARD FOR SAFETY Personnel Protection Systems for Electric Vehicle (EV) Supply Circuits: General Requirements. 4.1 .2 Insulation is the primary means to guard against the physiological effects mentioned in 4.1.1. In...

UL 2111:2016 pdf free download - STANDARD FOR SAFETY Overheating Protection for Motors. 3.3 FIELD-WIRING TERMINAL — A terminal to which connection is capable to be made in the field. 3.4 IMPEDANCE-PROTECTED MOTOR — A motor that...

UL 2161:2016 pdf free download - STANDARD FOR SAFETY Neon Transformers and Power Supplies. c) At least 3-1/2 to 5 threads shall be provided when the threads are not formed through the entire length of the hole,...

UL 2039:2016 pdf free download - STANDARD FOR SAFETY Flexible Connector Piping for Fuels. 4.6 PRIMARY CONNECTOR PIPE (Primary) — A single wall connector pipe construction intended to contain and convey the liquid flowing in a piping...

UL 2007A:2016 pdf free download - STANDARD FOR SAFETY Shatter Containment Of Lamps For Use In Regulated Food Establishments. 6.3 Freezer temperature exposure 6.3.1 One set of 12 specimens shall be loaded into a circulating air conditioning...

UL 1769:2016 pdf free download - STANDARD FOR SAFETY Cylinder Valves. 7.8 Nonductile cast iron (regular gray iron) shall not be used for bodies or enclosures for anhydrous ammonia or LP-Gas valves. This does not preclude the...

UL 1238:2022 pdf free download - STANDARD FOR SAFETY Control Equipment for Use with Flammable Liquid and LP-Gas Dispensing Devices. 8.5 For a raintight enclosure, all openings for conduit shall be threaded. For a rainproof enclosure, all...

UL 1066:2016 pdf free download - STANDARD FOR SAFETY Low-Voltage AC and DC Power Circuit Breakers Used in Enclosures. SUPPLEMENT SC - INTEGRALLY MOUNTED, REMOTELY OPERATED RACKING MECHANISMS FOR USE WITH LOW VOLTAGE POWER CIRCUIT BREAKERS INTRODUCTION...

UL 921:2016 pdf free download - STANDARD FOR SAFETY Commercial Dishwashers. 4.7.2.6 A dishwasher constructed so that it is adaptable upon installation to different supply voltages — for example, 120 V, 2-wire or 120/240 V, 3-wire —...

UL 884:2016 pdf free download - STANDARD FOR SAFETY Underfloor Raceways and Fittings. 6.2 Outlet boxes and fittings 6.2.1 A junction box or duct fitting, if made of iron or steel, shall be protected against corrosion by...