Cable System. Technically equivalent and economically superior to traditional raceway and wire installations. ColorSpec® ID/Color-Trak ID System. Lightweight blue galvanized steel armor with phase ID painted directly onto the armor for added identification without the added step of opening up the panel to determine circuit type. Easier Pulls. U.S. Patented armor profile is designed to reduce fatigue on your workers when pulling cable through metal studs and ceilings. Time Savings. From the first pull, installing MC Glide Tuff will be smoother, faster, and easier to work with. No need for new tools. Works with the same tools, fittings and supports as traditional MC Cables. Redundant Grounding. For applications requiring isolated, redundant, or dedicated grounding conductors. Isolated Ground (I.G.) configuration with 2 Green grounds, 1 solid green, 1 with yellow stripe available upon request. Made in USA of US and/or imported materials