UL 647:2010 pdf download.Unvented Kerosene-Fired Room Heaters and Portable Heaters. CONSTRUCTION GENERAL 5 Assembly 5.1 Each heater shall incluoe alp WILl esw,Liai i..ilrlpuIIIIL lILLlsdry lvi it rIlLlh,uu lulIL;uoII WiPLlhI installed as int...
UL 626:2018 pdf download.Water Fire Extinguishers. 4.3 A component shall be used in accordance with its rating established for the intended conditions ofuse. 4.4 Specific components are incomplete in construction features or restricted in pe...
UL 574:2019 pdf download.Electric Oil Heaters. 4.3 A synthetic rubber part in contact with oil shall not show excessive volume change, when consideredon the basis of its intended function, following immersion for 70 hours in lRM oil No.903 (...
UL 569:2013 pdf download.Pigtails and Flexible Hose Connectors for LP-Gas. 6.7 Cadmium plating shall be not less than 0.0003 inch (0.o08 mm) thick, and zinc plating shall be notless than 0.0005 inch (0.013 mm) thick. However, on parts where...
UL 551:2018 pdf download.Transformer-Type Arc-Welding Machines. 10.3.4 Means shall be provided so that the flexible cord cannot be pushed into the enclosure through thecord-entry hole if such displacement is likely to: a) Subject the cord to...
UL 521:2019 pdf download.Heat Detectors for Fire Protective Signaling Systems. 11.5 ln a heat detector of the normally open-contact type, a separate terminal screw shall be provided foreach incoming and outgoing wire. COMPONENTS-ELECTRICAL 1...
UL 514C:2005 pdf download.Nonmetallic Outlet Boxes,Flush-Device Boxes, and Covers. 8.2 The volume of any box, raised cover, extension ring, or fitting that increases significantly the volumeof a box assembly shall be verified as described in...
UL 510:2020 pdf download.Polyvinyl Chloride, Polyethylene, and Rubber Insulating Tape. 4.3Unless otherwise specified, all testing, except flammability, shall be conducted at 23 15℃(73 19F)and a relative humidity of 50 10%.Flammability test...
UL 506:2008 pdf download.Specialty Transformers. 3 Glossary 3.1 For the purpose of this standard,the following definitions apply. 3.2 COMPOUND-FILLED TRANSFORMER - A transformer in which the windings are enclosed withan insulating fluid that...
UL 499:2008 pdf download.Electric Heating Appliances. 6.28 The sheath employed to enclose the heating element of an immersion-type heater for use with fueloil shall be of steel, stainless steel, or other metal resistant to corrosion in fuel...
