Free Standards Library

UL 781-2009 pdf download - Portable Electric Lighting Units for Use in Hazardous (Classified) Locations. 7.4 Class I, Zone 1, Group IIC 7.4.1 Explosion-proof electrical equipment intended to be marked in accordance with 40.21 shall comply with...

UL 875-2009 pdf download - Electric Dry-Bath Heaters. 3A.3 A component that is also intended to perform other functions, such as over-current protection, ground-fault circuit-interruption, surge suppression, any other similar functions, or any combination thereof, shall comply...

UL 982 2009 pdf download - Motor-Operated Household Food Preparing Machines. 5.1 2 FIXED APPLIANCE – An appliance that is fastened or otherwise secured at a specific location. 5.1 3 HAND-SUPPORTED APPLIANCE – An appliance that is...

UL 1037-2009 pdf download - Antitheft Alarms and Devices. 2.2 Units of measurement 2.2.1 Values stated without parentheses are the requirement. Values in parentheses are explanatory or approximate information. 2.2.2 Unless otherwise indicated, all voltage and current...

UL 1206-2009 pdf download - Electric Commercial Clothes- Washing Equipment. 7 Frame and Enclosure 7.1 An appliance shall be formed and assembled so that it will have the strength and rigidity necessary to resist the abuses to...

UL 1564-2009 pdf download - Industrial Battery Chargers 3 Units of Measurement 3.1 Values stated without parentheses are the requirement. Values in parentheses are explanatory or approximate information. 4 Undated References 4.1 Any undated reference to a...

UL 1640-2009 pdf download - Portable Power-Distribution Equipment. 3.1 0 FORMED HINGE – A strip of metal secured to or integral with the enclosure or trim and formed so that it will cooperate with a slot in...

UL 38-2008 pdf download - Manual Signaling Boxes for Fire Alarm Systems. 1 Scope 1 .1 These requirements cover manual signaling boxes for fire alarm systems intended for permanent installation and used in ordinary locations in accordance...

UL-67-2009 pdf download - Panelboards. 4.7 BONDING JUMPER – A reliable conductor to ensure the required electrical conductivity between metal parts required to be electrically connected. 4.8 BONDING SCREW – A screw that is used as a...