UL 5085-2-2021 pdf download - Low Voltage Transformers – Part 2: General Purpose Transformers. 5 Mechanical Assembly 5.4 A transformer weighing more than 45 kg (100 lbs) shall be provided with a means for lifting by a...
UL 2166 2021 pdf download – Halocarbon Clean Agent Extinguishing System Units
UL 2166 2021 pdf download - Halocarbon Clean Agent Extinguishing System Units. 7 General 7.1 After discharge of the extinguishing agent is initiated, an extinguishing system unit shall maintain the maximum rate of application of the extinguishing...
UL 2158-2021 pdf download – Electric Clothes Dryers
UL 2158-2021 pdf download - Electric Clothes Dryers. 5.3 Test fabric 5.3.1 The fabric used for tests shall be bleached, preshrunk cotton suiting, having a warp of 21 – 23 threads per cm and a filling of...
UL 2152 2021 pdf download – Special Purpose Nonmetallic Containers and Tanks for Specific Combustible or Noncombustible Liquids
UL 2152 2021 pdf download - Special Purpose Nonmetallic Containers and Tanks for Specific Combustible or Noncombustible Liquids. 1 Scope 1.1 These minimum requirements cover special purpose nonmetallic containers and tanks (vessels) for specific aboveground use applications...
UL 2129 2021 pdf download – Halocarbon Clean Agent Fire Extinguishers
UL 2129 2021 pdf download - Halocarbon Clean Agent Fire Extinguishers. 6.3 A disposable extinguisher shall not be rechargeable. 6.4 An extinguisher having a volume in excess of 2.3 L (140 in 3 ) shall be capable...
UL 1238-2022 pdf download – Control Equipment for Use with Flammable Liquid and LP-Gas Dispensing Devices
UL 1238-2022 pdf download - Control Equipment for Use with Flammable Liquid and LP-Gas Dispensing Devices. 29 General 29.1 Live screwheads or nuts on the underside of a base shall be countersunk not less than 1/8 inch...
UL 1066-2016 pdf download – Low-Voltage AC and DC Power Circuit Breakers Used in Enclosures
UL 1066-2016 pdf download - Low-Voltage AC and DC Power Circuit Breakers Used in Enclosures 13 Trip Devices Section 1 3 effective April 1 3, 201 7 1 3.1 A trip device shall be of the dual,...
UL 1004-9 -2016 pdf download – Form Wound and Medium Voltage Rotating Electrical Machines
UL 1004-9 -2016 pdf download - Form Wound and Medium Voltage Rotating Electrical Machines. 9.2 The applied potential is to be gradually increased until the required test value is reached. 9.3 Accessory devices (such as space heaters,...
UL 921-2016 pdf download – Commercial Dishwashers
UL 921-2016 pdf download - Commercial Dishwashers. 3.5 Automatically controlled dishwasher – A dishwasher or a unit of a system for which energization of a motor, a solenoid, a magnet, or similar component occurs without manual intervention....
UL 489F-2016 pdf download – Outline of Investigation for Molded-Case Circuit Breakers and Molded-Case Switches for Use with Battery Power Supplies
UL 489F-2016 pdf download - Outline of Investigation for Molded-Case Circuit Breakers and Molded-Case Switches for Use with Battery Power Supplies. 8 Dielectric Voltage-Withstand Test 8.1 The BPS CIRCUIT BREAKER shall be subjected to the dielectric voltage-withstand...