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UL Standards Update: December 16-31

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 330 – Standard for Hose and Hose Assemblies for Dispensing Flammable Liquids
New Edition dated December 16, 2009

UL 414 – Standard for Meter Sockets
New Edition dated December 21, 2009

UL 430 – Standard for Waste Disposers
New Edition dated December 16, 2009

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

Solving Maxwell’s Equations for real-life situations, like predicting the RF emissions from a cell tower, requires more mathematical horsepower than any individual mind can muster. These equations don’t give the scientist or engineer just insight, they are literally the answer to everything RF.

UL 2367 – Standard for Solid State Overcurrent Protectors
New Edition dated December 30, 2009

UL 2523 – Standard for Solid Fuel-Fired Hydronic Heating Appliances, Water Heaters, And Boilers
New Edition dated December 22, 2009

Revisions:

UL 73 – Standard for Motor-Operated Appliances
Revision dated December 17, 2009

UL 141 – Standard for Garment Finishing Appliances
Revision dated December 18, 2009

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UL 150 – Standard for Antenna Rotators
Revision dated December 18, 2009

UL 325 – Standard for Door, Drapery, Gate, Louver, and Window Operators and Systems
Revision dated December 23, 2009

UL 399 – Standard for Drinking-Water Coolers
Revision dated December 15, 2009

UL 458 – Standard for Power Converters/Inverters and Power Converter/Inverter Systems for Land Vehicles and Marine Crafts
Revision dated December 29, 2009

UL 551 – Standard for Transformer-Type Arc-Welding Machines
Revision dated December 31, 2009

UL 603 – Standard for Power Supplies for Use with Burglar-Alarm Systems
Revision dated December 4, 2009

UL 634 – Standard for Connectors and Switches for Use with Burglar-Alarm Systems
Revision dated December 31, 2009

UL 710 – Standard for Exhaust Hoods for Commercial Cooking Equipment
Revision dated December 30, 2009

UL 710B – Standard for Recirculating Systems
Revision dated December 30, 2009

UL 859 – Standard for Household Electric Personal Grooming Appliances
Revision dated December 30, 2009

UL 1042 – Standard for Electric Baseboard Heating Equipment
Revision dated December 29, 2009

UL 1047 – Standard for Isolated Power Systems Equipment
Revision dated December 15, 2009

UL 1278 – Standard for Movable and Wall- or Ceiling-Hung Electric Room Heaters
Revision dated December 29, 2009

UL 1323 – Standard for Scaffold Hoists
Revision dated December 17, 2009

UL 1340 – Standard for Hoists
Revision dated December 17, 2009

UL 1431 – Standard for Personal Hygiene and Health Care Appliances
Revision dated December 30, 2009

UL 1450 – Standard for Motor-Operated Air Compressors, Vacuum Pumps, and Painting Equipment
Revision dated December 16, 2009

UL 1598 – Luminaires
Revision dated December 18, 2009

UL 1727 – Standard for Commercial Electric Personal Grooming Appliances
Revision dated December 30, 2009

UL 1769 – Standard for Cylinder Valves
Revision dated December 16, 2009

UL 1917 – Standard for Solid-State Fan Speed Controls
Revision dated December 17, 2009

UL 2021 – Standard for Fixed and Location-Dedicated Electric Room Heaters
Revision dated December 30, 2009

UL 2161 – Standard for Neon Transformers and Power Supplies
Revision dated December 29, 2009

UL 2200 – Standard for Stationary Engine Generator Assemblies
Revision dated December 22, 2009

UL 2208 – Standard for Solvent Distillation Units
Revision dated December 18, 2009

UL 2251 – Standard for Plugs, Receptacles and Couplers for Electric Vehicles
Revision dated December 22 2009

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