Free Standards Library

UL 1261-2016 pdf download - Electric Water Heaters for Pools and Tubs. 2.1 1 CONTROLLED ENVIRONMENT – An environment that is relatively free from conductive contaminants, such as dust and carbon particles, and that is protected against...

UL 1081-2016 pdf download - Swimming Pool Pumps, Filters, and Chlorinators. 2 Units of Measurement 2.1 Values stated without parentheses are the requirement. Values in parentheses are explanatory or approximate information. 2.2 Unless indicated otherwise, all voltage...

UL 985-2015 pdf download - Household Fire Warning System Units. 2 General 2.1 Components 2.1 .1 Except as indicated in 2.1 .2, a component of a product covered by this standard shall comply with the requirements for...

UL 982-2015 pdf download - Motor-Operated Household Food Preparing Machines. 4.21 FIXED APPLIANCE – An appliance that is fastened or otherwise secured at a specific location. 4.22 HAND-SUPPORTED APPLIANCE – An appliance that is physically supported by...

UL 979-2016 pdf download - Water Treatment Appliances. 2.26 FIELD WIRING TERMINAL – A terminal to which a supply or other wire can be connected by an installer in the field. 2.27 MAXIMUM WORKING PRESSURE – The...

UL 924-2016 pdf download - Emergency Lighting and Power Equipment. 4.33 LAMPHEAD – As applicable to unit equipment, a lamp assembly mounted externally to the main enclosure of the equipment with a swivel or equivalent mounting means...

UL 917-2016 pdf download - Clock-Operated Switches. 1 Scope 1 .1 These requirements cover clock-operated switches rated 600 V or less, to be used in ordinary locations designed to close and open circuits to a load at...

UL 870-2016 pdf download - Wireways, Auxiliary Gutters, and Associated Fittings. 8.2 Nonmetallic wireways, auxiliary gutters, and associated fittings 8.2.1 The material used for nonmetallic wireways, auxiliary gutters, and associated fittings shall comply with the Standard for...

UL 817-2015 pdf download - Cord Sets and Power-Supply Cords. 5.1 3 DIMMER – A device intended to change lighting to various intensities. 5.1 4 EXTENSION CORD SET – A cord set having NEMA fittings on both...