I'm an Electrical Engineer in need of some HVAC advice. I need to install some duct work to vent a large gas oven/range to the outside. The range calls for a 800 CFM blower. This is an inline blower to be installed in the attic space above the garage, which is adjacent to the kitchen. The...
Is it necessary to use UL listed wiring when installing low voltage wiring (CAT5, Coax, speaker, etc.) in the walls of a home under construction? Can I just use the less expensive variety that is not UL listed?