Standards World

UL-1008A:2017 pdf free download - STANDARD FOR SAFETY Transfer Switch Equipment, Over 1000 Volts. 16.1.10 When the means used to comply with 16.1.9 renders the control circuit non-functional, audible or visual signals or equivalent means shall be...

UL-1004-9:2016 pdf free download - STANDARD FOR SAFETY Form Wound and Medium Voltage Rotating Electrical Machines. 7 Insulation Systems 7.1 Insulation systems shall comprise materials that have been shown by service life experience or test to have...

UL-979:2016 pdf free download - STANDARD FOR SAFETY Water Treatment Appliances. 8.8 A polymeric enclosures shall comply with the Standard for Polymeric Materials — Use in Electrical Equipment Evaluations, UL 746C. When determining compliance with UL 746C,...

UL-917:2016 pdf free download - STANDARD FOR SAFETY Clock-Operated Switches. 6.6 Openings 6.6.1 An opening shall not be provided in an enclosure that houses a fuse or any portion of a circuit breaker other than the operating...

UL-870:2016 pdf free download - STANDARD FOR SAFETY Wireways, Auxiliary Gutters, and Associated Fittings. 12.5 A flat, unhinged cover may be used if: a) Each side wall of the trough is flanged at right angles to the...

UL-810B:2016 pdf free download - STANDARD FOR SAFETY Standard for DC Power Capacitors. 14 Dielectric Voltage-Withstand Test 14.1 Test between terminals and enclosure 14.1.1 Capacitors having all terminals insulated from the enclosure shall be subjected to a...

UL-773:2016 pdf free download - STANDARD FOR SAFETY Plug-In Locking Type Photocontrols for Use with Area Lighting. 12 Enclosure 12.1 The enclosure of a control unit shall be so constructed that it will withstand the ordinary abuses...

UL-495:2016 pdf free download - STANDARD FOR SAFETY Power-Operated Dispensing Devices for LP-Gas. 12 Meters 12.1 A meter shall be provided downstream from the strainer. 13 Vapor Separators 13.1 A vapor separator shall comply with the requirements...

UL-441:2016 pdf free download - STANDARD FOR SAFETY Gas Vents. 13 Roof Assemblies 13.1 The height of a roof assembly shall be such that the flue-gas exit is not less than 2 feet (0.61 m) above the...

UL-2908:2017 pdf free download - Environmental Claim V alidation Procedure (ECVP) for Determining Particle Removal for Non-Filter Electrical Appliances. COMPLIANCE, EVALUATION AND ASSESSMENT CRITERIA 5 Particle Removal Testing 5.1 Particle used for testing 5.1.1 Particle to be...