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UL Standards Update: February 16-28

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.

STANDARDS:

UL 541 – Standard for Refrigerated Vending Machines
New Edition dated February 18, 2010

- Partner Content -

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 696Standard for Electric Toys
New Edition dated February 17, 2010

UL 778 – Standard for Motor-Operated Water Pumps
New Edition dated February 22, 2010

UL 62275 – Cable Management Systems – Cable Ties for Electrical Installations
New Edition dated February 26, 2010

REVISIONS:

UL125 – Standard for Flow Control Valves for Anhydrous Ammonia and LP-Gas
Revision dated February 26, 2010

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UL 141 – Standard for Garment Finishing Appliances
Revision dated February 23, 2010

UL 150 – Standard for Antenna Rotators
Revision dated February 18, 2010

UL 153 – Standard for Portable Electric Luminaires
Revision dated February 23, 2010

UL 183 – Standard for Manufactured Wiring Systems
Revision dated February 23, 2010

UL 325 – Standard for Door, Drapery, Gate, Louver, and Window Operators and Systems
Revision dated February 25, 2010

UL 486A-486B – Wire Connectors
Revision dated February 22, 2010

UL 486C – Splicing Wire Connectors
Revision dated February 22, 2010

UL 555S – Standard for Smoke Dampers
Revision dated February 23, 2010

UL 687 – Standard for Burglary-Resistant Safes
Revision dated February 17, 2010

UL 746B – Standard for Polymeric Materials – Long Term Property Evaluations
Revision dated February 17, 2010

UL 864 – Standard for Control Units and Accessories for Fire Alarm Systems
Revision dated February 17, 2010

UL 1191 – Standard for Components for Personal Flotation Devices
Revision dated February 19, 2010

UL 1275 – Standard for Flammable Liquid Storage Cabinets
Revision dated February 26, 2010

UL 1479 – Standard for Fire Tests of Through-Penetration Firestops
Revision dated February 16, 2010

UL 1778Standard for Uninterruptible Power Supply Equipment
Revision dated February 24, 2010

UL 2157 – Electrical Clothes Washing Machines and Extractors
Revision dated February 16, 2010

 

 

 

 

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