What is plenum rated cabling? Do I need it? We answer your common questions. There is a price difference between plenum and non-plenum. We'll help you decide what is required for your application.
Tom Grinde installed a new phone system as a real expert! He was thorough, efficient, knowledgeable and helpful. He gets an A+++++++++++from me. I will recommend him and Telco to others without reservation.Charles Colwell