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UL Standards Update: May 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.

STANDARDS:

UL 62 – Flexible Cords and Cables
New Edition dated May 28, 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 2443 – Standard for Flexible Sprinkler Hose with Fittings for Fire Protection Service
New Edition dated May 26, 2010

REVISIONS:

UL 441 – Standard for Gas Vents
Revision dated May 18, 2010

UL 521 – Standard for Heat Detectors for Fire Protective Signaling Systems
Revision dated May 19, 2010

UL 558 – Standard for Industrial Trucks, Internal Combustion Engine-Powered
Revision dated May 17, 2010

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UL 583 – Standard for Electric-Battery-Powered Industrial Trucks
Revision dated May 17, 2010

UL 943 – Ground-Fault Circuit-Interrupters
Revision dated May 17, 2010

UL 1004-3 – Standard for Thermally Protected Motors
Revision dated May 19, 2010

UL 1004-7 – Standard for Electronically Protected Motors
Revision dated May 28, 2010

UL 1278 – Standard for Movable and Wall- or Ceiling-Hung Electric Room Heaters
Revision dated May 21, 2010

UL 2305 – Standard for Exhibition Display Units, Fabrication and Installation
Revision dated May 21, 2010

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