Standards World

UL-1424:2015 pdf free download - STANDARD FOR SAFETY Cables for Power-l imited Fire- Alarm Circuits. 7 Insulation 7.1 Material and application 7.1.1 Each conductor shall be insulated for its entire length with one or more of the...

UL-1313:2015 pdf free download - STANDARD FOR SAFETY Nonmetallic Safety Cans for Petroleum Products. 9.5 The bearing pin of a valve or valve-operating part shall have a diameter of not less than 3/32 inch (2.4 mm) and...

UL-1283:2015 pdf free download - STANDARD FOR SAFETY Electromagnetic Interference Filters. 10.1.7 A field-wiring terminal shall be prevented from turning by means other than friction alone. Lockwashers, properly applied, may be acceptable. 10.1 .8 A field-wiring terminal...

UL-1238:2015 pdf free download - STANDARD FOR SAFETY Control Equipment for Use with Flammable Liquid Dispensing Devices. 5.2.4 A snap-on cover that gives access to exposed live parts and that does not require a tool for removal...

UL-1053:2015 pdf free download - STANDARD FOR SAFETY Ground-Fault Sensing and Relaying Equipment. 9 Current-Carrying Parts 9.1 A current-carrying part shall have mechanical strength and current-carrying capacity for the service, and shall be of metal or other...

UL-1047:2015 pdf free download - STANDARD FOR SAFETY Isolated Power Systems Equipment. b) Reliably securing such parts and insulating them from the mounting surface by means of a barrier, or the equivalent, or by means of through-air...

UL-1030:2015 pdf free download - STANDARD FOR SAFETY Sheathed Heating Elements. a) The meter is to have an input impedance of 1500 ohms resistive shunted by a capacitance of 0.15 microfarad; b) The meter is to indicate...

UL-913:2013 pdf free download - STANDARD FOR SAFETY Intrinsically Safe Apparatus and Associated Apparatus for Use in Class I, II, and II, Division 1, Hazardous (Classified) Locations. a) For intrinsically safe apparatus: 1) An indication that the...

UL-842:2015 pdf free download - STANDARD FOR SAFETY Valves for Flammable Fluids. 7.5 When corrosion of a valve stem results in damage to a packing or seal material and results in leakage, or binding of the assembly,...

UL-758:2014 pdf free download - STANDARD FOR SAFETY Appliance Wiring Material. 5.7.7 A compressed-stranded conductor shall be a round conductor consisting of a central core wire surrounded by one or more layers of helically laid wires with...