Installing Mineral InsuIated (MI) Cable

Mark Hall and Ben Piper of Pentair Pyrotenax/Raychem, a manufacturer of mineral insulated (MI) cable, recently posted important information in our comments section regarding the installation of MI cable in Chicago and per UL standards. Ben Piper pointed out Chicago allows MI to be installed without a raceway when used with a required fire alarm and/or emergency voice communication [Read More]