Flammability Ratings for Parallel Pair (Twinax) Copper Cables
The intent of this article is to provide a brief overview of Parallel Pair copper cable ratings and the environments for which they are intended.
In the United States, NFPA-70, the National Electric Code (NEC), specifies the environment where each cable type is to be used. In addition, each cable type has an associated recommended test method. Typically, Siemon’s parallel pair cabling is referred to as CL2, Class 2, Power Limited Circuit cable per NEC Article 725....