Skip to main content
Switch Language
  • Public Notice

UL Warns of Potentially Hazardous Communications Cable (Release 20PN-15)


September 4, 2020

NORTHBROOK, Ill., September 4, 2020 — The following is a notification from UL that the communications cable identified below may pose a fire hazard. The communications cable does not comply with UL’s Safety Standards and is not authorized to bear the UL Mark for the United States or Canada.

Name of Product: Grandmax, Type CMR Cable

Hazard:  The communications cable does not meet the flammability requirements of the safety standard which may cause an increased risk of fire.

Remedy: UL recommends that this cable not be used and removed from service.  

Identification on the Cable: The surface of the cable jacket displays the following description:  GRANDMAX E213738 24AWG 4PR SOLID CMR UL C(UL) UTP CAT 5E FT4 350MHZ CONFORM TO ANSI/TIA568-C.2 & ISO/IEC 11801 75c ROHS REACH COMPLIANT 0968FT 52912

Identification on the Box: 



QTY: 1000 FT

Made in China




Known to be distributed  and may have been sold by others.


About UL:

UL helps create a better world by applying science to solve safety, security and sustainability challenges. We empower trust by enabling the safe adoption of innovative new products and technologies. Everyone at UL shares a passion to make the world a safer place. All of our work, from independent research and standards development, to testing and certification, to providing analytical and digital solutions, helps improve global well-being. Businesses, industries, governments, regulatory authorities and the public put their trust in us so they can make smarter decisions. To learn more, visit To learn more about our nonprofit activities, visit

Release 20PN-15 PDF

UL Warns of Potentially Hazardous Communications Cable 


Get in touch

Have questions, need specifics? Let's get this conversation started.

Please wait…