What is the voltage rating for Superior Essex copper communications cables?

February 4, 2020

Copper Premises and Outside Plant (OSP) cables from Superior Essex have a 300 volt working voltage capability when used in communication circuit applications.

Communications cables, commonly referred to as low voltage cables, are not required to be marked with a voltage rating or listed as such by any listing or testing organization.

Although not marked, our copper premises products have a 300-volt rating meeting the requirements of UL Standard 444, which states that wires listed as CMR or CMP are qualified for a 300-volt rating.

In OSP cables, the voltage capability is purposefully omitted from the cable jacket, replaced with a telephone handset to avoid confusion in the field with high voltage power cables.

The working capability of traditional 300-volt applies to OSP copper telecommunications cables manufactured in compliance to specifications including PE-39, PE-89, PE-86, Telcordia GR-421-CORE and GR-492-CORE as well as newer EnduraGain™ OSP Category 5, 5e, 6 and 6A designs.



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We know that not every project is the same and that not every application is an easy spec to meet. We want to talk with you to meet the need of any challenge that you have.

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