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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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Near and Far Field Measurements with a Vector Network Analyzer

For optimal performance in over-the-air RF systems, antennas must meet specific requirements. Performance parameters like size, wind-loading, environmental ruggedness, transmission pattern, bandwidth, and power handling capability should be considered. Methods of measuring the transmission (or reception) pattern that determines antenna gain with a VNA will be examined in this article.

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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