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UL Standards Update: November 1-15

Underwriters Laboratories has announced the availability of the following standards, revisions and bulletins.  For additional information regarding the standards listed below, please visit their website at www.ul.com.

UL 347 – Medium-Voltage AC Contactors, Controllers, and Control Centers
New Edition dated NOVEMBER 10, 2009

UL 429 – Standard for Electrically Operated Valves
New Edition dated November 11, 2009

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A Dash of Maxwell’s: A Maxwell’s Equations Primer – Part Two

Maxwell’s Equations are eloquently simple yet excruciatingly complex. Their first statement by James Clerk Maxwell in 1864 heralded the beginning of the age of radio and, one could argue, the age of modern electronics.

UL 65 – Standard for Wired Cabinets
Revision dated November 3, 2009

UL 72 – Standard for Tests for Fire Resistance of Record Protection Equipment
Revision dated November 6, 2009

UL 153 – Standard for Portable Electric Luminaires
Revision dated November 6, 2009

UL 201 – Standard for Garage Equipment
Revision dated November 5, 2009

UL 234 – Standard for Low Voltage Lighting Fixtures for Use in Recreational Vehicles
Revision dated November 6, 2009

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UL 346 – Standard for Waterflow Indicators for Fire Protective Signaling Systems
Revision dated November 12, 2009

UL 399 – Standard for Drinking-Water Coolers
Revision dated November 12, 2009

UL 416 – Standard for Refrigerated Medical Equipment
Revision dated November 12, 2009

UL 469 – Standard for Musical Instruments and Accessories
Revision dated November 3, 2009

UL 471 – Standard for Commercial Refrigerators and Freezers
Revision dated November 12, 2009

UL 474 – Standard for Dehumidifiers
Revision dated November 13, 2009

UL 482 – Standard for Dehumidifiers
Revision dated November 13, 2009

UL 484 – Standard for Room Air Conditioners
Revision dated November 13, 2009

UL 514B – Conduit, Tubing, and Cable Fittings
Revision dated November 6, 2009

UL 542 – Standard for Fluorescent Lamp Starters
Revision dated November 12, 2009

UL 569 – Standard for Pigtails and Flexible Hose Connectors for LP-Gas
Revision dated November 3, 2009

UL 746E – Standard for Polymeric Materials – Industrial Laminates, Filament Wound Tubing, Vulcanized Fibre, and Materials Used In Printed-Wiring Boards
Revision dated November 6, 2009

UL 778 – Standard for Motor-Operated Water Pumps
Revision dated November 3, 2009

UL 863 – Standard for Time-Indicating and -Recording Appliances
Revision dated November 3, 2009

UL 900 – Standard for Air Filter Units
Revision dated November 6, 2009

UL 916 – Standard for Energy Management Equipment
Revision dated November 3, 2009

UL 935 – Standard for Fluorescent-Lamp Ballasts
Revision dated November 6, 2009

UL 961 – Standard for Electric Hobby and Sports Equipment
Revision dated November 5, 2009

UL 979 – Standard for Water Treatment Appliances
Revision dated October 23, 2009

UL 987 – Standard for Stationary and Fixed Electric Tools
Revision dated November 13, 2009

UL 1018 – Standard for Electric Aquarium Equipment
Revision dated November 3, 2009

UL 1029 – Standard for High-Intensity-Discharge Lamp Ballasts
Revision dated November 6, 2009

UL 1062 – Standard for Unit Substations
Revision dated November 3, 2009

UL 1286 – Standard for Office Furnishings
Revision dated November 10, 2009

UL 1419 – Standard for Professional Video and Audio Equipment
Revision dated November 3, 2009

UL 1441 – Coated electrical sleeving
Revision dated November 9, 2009

UL 1492 – Audio-Video Products and Accessories
Revision dated November 6, 2009

UL 1574 – Standard for Track Lighting Systems
Revision dated November 6, 2009

UL 1640 – Standard for Portable Power-Distribution Equipment
Revision dated November 3, 2009

UL 1655 – Standard for Community-Antenna Television Cables
Revision dated November 10, 2009

UL 1773 – Standard for Termination Boxes
Revision dated November 2, 2009

UL 1889 – Standard for Commercial Filters for Cooking Oil
Revision dated November 3, 2009

UL 1994 – Standard for Luminous Egress Path Marking Systems
Revision dated November 3, 2009

UL 2044 – Standard for Commercial Closed-Circuit Television Equipment
Revision dated November 3, 2009

UL 2054 – Standard for Household and Commercial Batteries
Revision dated November 11, 2009

UL 2250 – Standard for Instrumentation Tray Cable
Revision dated November 3, 2009

 

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