ECN Forum Forums General Topics of the Trade General Discussion Area Plasma and other TV wires inside walls

"Is the need for rated wire urban legand"

The word urban legand simply means, no one bothered to look it up, so if someone told you it was an urban legand, he most likely din't know.

Try 820.49 Fire Resistance of CATV Cables
and 820.50

Remember, you need to consider, not only the electrical codes, but fire codes.