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  • Public Notice

UL Solutions Warns of Potentially Hazardous Network Communications Cable

The following is a notification (23PN-17) from UL Solutions that the Network Communications Cable identified below may pose a Fire Hazard.

Unauthorized UL logo on a cable communication box

July 28, 2023

NORTHBROOK, Il., (July 28, 2023) –  The following is a notification from UL Solutions that the network communication cable identified below may pose a fire hazard. The communication cable is marked for use in Plenums and does not comply with UL Solutions’ Safety Standards for the application. 

Name of Product: High-Performance Network Cable Category 6 Plenum 550Mhz   (1000 ft)

Remedy: UL Solutions recommends that this product be removed from service.     

Identification on the Product Labels:  The Network Cable box bears a Gold Holographic UL label.

The label has the following information:

UL mark as shown below:

Unauthorized UL Certified Mark in black and white


No. YXXXXXXXX (Affected units have Numbers ranging from Y96199575 - Y96199619)





Unauthorized UL Certified Mark on a cable communication label


Unauthorized UL logo on a cable communication box
Side of communication cable box


Blue communication cable

Surface print on the Cable: E362025 UTP CAT6 BC 4 PAIRS 23 AWG 550 MHZ UL PLENUM CMPTIA EIA -568C ROHS COMPLIANT

Location: The cables were found in


About UL Solutions


A global leader in applied safety science, UL Solutions transforms safety, security and sustainability challenges into opportunities for customers in more than 100 countries. UL Solutions delivers testing, inspection and certification services, together with software products and advisory offerings, that support our customers’ product innovation and business growth. The UL Certification Marks serve as a recognized symbol of trust in our customers’ products and reflect an unwavering commitment to advancing our safety mission. We help our customers innovate, launch new products and services, navigate global markets and complex supply chains and grow sustainably and responsibly into the future. Our science is your advantage.


Release No. 23PN-17-French
Release No. 23PN-17-Spanish
Release No. 22PN-17-English