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UL Standards Update: March 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.

STANDARDS:

UL 33 – Standard for Heat Responsive Links for Fire-Protection Service
New Edition dated March 9, 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 441 – Standard for Gas Vents
New Edition dated March 5, 2010

UL 1482 – Standard for Solid-Fuel Type Room Heaters
New Edition dated March 5, 2010

REVISIONS:

UL 66 – Fixture Wire
Revision dated March 4, 2010

UL 244A – Standard for Solid-State Controls for Appliances
Revision dated March 4, 2010

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UL 283 – Standard for Air Fresheners and Deodorizers
Revision dated March 5, 2010

UL 291 – Standard for Automated Teller Systems
Revision dated March 4, 2010

UL 295 – Standard for Commercial-Industrial Gas Burners
Revision dated March 5, 2010

UL 296 – Standard for Oil Burners
Revision dated March 5, 2010

UL 651 – Standard for Schedule 40 and 80 Rigid PVC Conduit and Fittings
Revision dated March 11, 2010

UL 1479 – Standard for Fire Tests of Through-Penetration Firestops
Revision dated March 1, 2010

UL 2353 – Standard for Safety for Single- and Multi-Layer Insulated Winding Wire
Revision dated March 1, 2010

UL 60745-2-16 – Hand-Held Motor-Operated Electric Tools – Safety – Part 2-16: Particular Requirements for Tackers
Revision dated March 10, 2010

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