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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

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VSWR and its Effects on Power Amplifiers

Voltage Standing Wave Ratio results from an impedance mismatch between a source (an amplifier) and a load (test application). This mismatch can influence the performance of the source.

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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