Standards World

UL-1739:2012 pdf free download - STANDARD FOR SAFETY Pilot-Operated Pressure-Control Valves for Fire- Protection Service. 20.3.1 After completion of the test specified in 20.2.1, the outlet of the sample is to be closed by a cap or...

UL-1690:2011 pdf free download - Underwriters Laboratories Inc. Standard for Safety Data-Processing Cable. b) For a bunch-stranded member of a rope-lay-stranded conductor in which the members are formed into rope-stranded components that are then cabled into the...

UL-1709:2011 pdf free download - Underwriters Laboratories Inc. Standard for Safety Rapid Rise Fire Tests of Protection Materials for Structural Steel. 5.5 Prior to test, the test sample is to be conditioned such that the dampest portion...

UL-1681:2012 pdf free download - STANDARD FOR SAFETY Wiring Device Configurations. The most recent designation of ANSI/UL 1681 as an American National Standard (ANSI) occurred on April 10, 2012. ANSI approval for a standard does not include...

UL-1691:2012 pdf free download - STANDARD FOR SAFETY Single Pole Locking-Type Separable Connectors. 5.2 Mating and intermateability 5.2.1 Device configurations that are intermateable and identified in Annex B shall comply with all applicable dimensions as shown and...

UL-1678:2012 pdf free download - STANDARD FOR SAFETY Household, Commercial, and Institutional-Use Carts, Stands and Entertainment Centers for Use with Audio and/or Video Equipment. 16.1.3 A test platform or floor larger than the cart, stand or entertainment...

UL-1640:2012 pdf free download - STANDARD FOR SAFETY Portable Power-Distribution Equipment. 9.4.2.3 For supported surfaces, measure width and enter table at Column 3. If dimension of Column 4 is “not limited”, determine minimum thickness from Column 5...

UL-1439:2011 pdf free download - STANDARD FOR SAFETY Tests for Sharpness of Edges on Equipment. 6 CalibratIon of Tester 6,1 The sharp edge tester shall be calibrated so that a 1-1/2 ±0.03 lbt (6.672 ±0.133 N) is...

UL-1340:2012 pdf free download - STANDARD FOR SAFETY Hoists. 9.3.2.4 An enclosure of sheet steel 0.126 inch (3.20 mm) thick if zinc coated, or 0.123 inch (3.12 mm) thick if uncoated or heavier shall be protected against...

UL-977:2012 pdf free download - STANDARD FOR SAFETY Fused Power-Circuit Devices. 15.8 Friction between surfaces is not acceptable as a means to prevent turning of uninsulated live parts. Turning may be prevented by the use of two...