UL 464-2016 pdf download - Audible Signaling Devices for Fire Alarm and Signaling Systems, Including Accessories. 3.3 DUTY CYCLE – The ratio of the sum of all pulse durations to the total period, during a specified period...
UL 467-2013 pdf download – Grounding and Bonding Equipment
UL 467-2013 pdf download - Grounding and Bonding Equipment. 6.1 .4 Means for the attachment of a grounding or bonding conductor shall be so designed that the conductor is securely and reliably held without depending on solder....
UL 469-2009 pdf download – Musical Instruments and Accessories
UL 469-2009 pdf download - Musical Instruments and Accessories. 2.1 .3 A component shall be used in accordance with its recognized rating established for the intended conditions of use. 2.1 .4 Specific components are recognized as being...
UL 482-2009 pdf download – Portable Sun/Heat Lamps
UL 482-2009 pdf download - Portable Sun/Heat Lamps. 3 Units of Measurement 3.1 Values stated without parentheses are the requirement. Values in parentheses are explanatory or approximate information. 3.2 Unless indicated otherwise all voltage and current values...
UL 486E-2009 pdf download – Equipment Wiring Terminals for Use with Aluminum and/or Copper Conductors
UL 486E-2009 pdf download - Equipment Wiring Terminals for Use with Aluminum and/or Copper Conductors. 7.1 .5 Conductor sizes 30 – 20 AWG (0.05 – 0.52 mm 2 ) need not be subjected to the secureness test...
UL 489A-2013 pdf download – Circuit Breakers for Use in Communications Equipment
UL 489A-2013 pdf download - Circuit Breakers for Use in Communications Equipment. 9 Calibration Test 9.1 A circuit breaker shall comply with the Calibration tests of the Standard for Molded-Case Circuit Breakers, Molded-Case Switches, and Circuit-Breaker Enclosures,...
UL 506-2009 pdf download – Specialty Transformers
UL 506-2009 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 with an insulating fluid that...
UL 514A-2009 pdf download – Metallic Outlet Boxes
UL 514A-2009 pdf download - Metallic Outlet Boxes. 3.9 DRIPPROOF : Designation for a type of marine product that is constructed or protected so that falling drops of liquid or solid particles striking the enclosure do not...
UL 514c-2009 pdf download – Nonmetallic Outlet Boxes, Flush-Device Boxes, and Covers
UL 514c-2009 pdf download - Nonmetallic Outlet Boxes, Flush-Device Boxes, and Covers. 5.3.4 The nonmetallic products covered by the requirements in Sections 6 – 1 6 and 59 – 87 are considered to be inherently resistant to...
UL 539-2009 pdf download – Single and Multiple Station Heat Alarms
UL 539-2009 pdf download - Single and Multiple Station Heat Alarms. 3 Glossary 3.1 For the purpose of this standard the fllowing definitions apply. 3.2 ALARM SIGNAL - An audible signal intended to indicate an emergency fire...