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UL 1990-2013 pdf download - Nonmetallic Underground Conduit with Conductors. 6.4 When differences arise between measuring techniques, the vernier wrap tape is to act as the referee for determining compliance with the requirements for average outside diameters....

UL 1996-2009 pdf download - Electric Duct Heaters. 4 Enclosures 4.1 Enclosures for duct heaters shall be so formed and assembled that, they have the strength and rigidity to resist abuse during shipment, installation, or use without...

UL 66-2005 pdf download - Fixture Wire. 5 Materials 5.1 Each material used in a fixture wire shall be applicable for the use and shall be compatible with all of the other materials used in the wire....

UL 72-2005 pdf download - Tests for Fire Resistance of Record Protection Equipment. 5.3 Humidity measuring equipment 5.3.1 For equipment to be rated Class 125 or 150, the relative humidity on the interior of the test specimen...

UL 2594-2013 pdf download - Electric Vehicle Supply Equipment. 2 Units of Measurement 2.1 The values given in SI (metric) units shall be normative. Any other values given shall be for information purposes only. 3 Components 3.1...

UL 1737-2021 pdf download - Photovoltaic Junction Boxes.3.3 BARRIER – A part inside an enclosure that reduces access to a part that involves a risk of fire, electric shock, injury to persons, or electrical energy-high current levels....

UL 969-2017 pdf download - Marking and Labeling Systems. 4.3 Samples are to be representative of the construction of the marking and labeling system or unprinted material to be tested. Significant construction variables such as top-surface or...