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UL Standards Update: December 16-31, 2010

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 http://www.ul.com.

UL 496: Lampholders
Revision dated December 20, 2010

- Partner Content -

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 959: Standard for Medium Heat Appliance Factory-Built Chimneys
New Edition dated December 17, 2010

UL 963: Standard for Sealing, Wrapping, and Marking Equipment
New Edition dated December 15, 2010

UL 1322: Standard for Fabricated Scaffold Planks and Stages
Revision dated December 17, 2010

UL 2167: Standard for Water Mist Nozzles for Fire Protection Service
Revision dated December 16, 2010

 

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