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  • Public Notice

UL Warns of Potentially Hazardous Communications Cable (Release 14PN-04)

March 21, 2014

Northbrook, IL - March 21, 2014- The following is a notification from UL that the communications cable identified below bears a counterfeit UL Mark for the United States and may pose a hazard. The communications cable has not been evaluated by UL to the appropriate Standard for Safety, and is not authorized to bear the UL Mark or any reference to UL.


Name of Product: Communications Cable, Type CMP (Plenum Cat6 Cable)

Hazard: This communications cable is missing required flame retardants.  This may cause an increased risk of fire.




On the cable: The surface of the cable jacket displays the following description:


             BYTECC CAT6 PLENUM CMP UTP 4-PAIR 23 AWG EIA/TIA/ISO/UL                                                                


On the packaging: The packaging bears a counterfeit UL Mark and the following:

Category 6 Plenum Solid
Ethernet Cable

UL TYPE:          CMP
COLOR:            WHITE

QTY:  1000ft

counterfeit UL mark


  • 23AWG/4 PAIR
  • Plenum Jacket (CMP)
  • Conductor: Solid
  • Bandwidth:  400 MHZ
  • Unshielded Twisted Pairs (UTP)
  • UL NO: E328429
  • UL ETL and 3P verified to standards

Photo of the packaging:




counterfeit UL mark 

counterfeit UL mark 

Photo of the Cable


counterfeit UL mark 

Sold at:  Known to be sold at and may have been sold at other locations.