Southwire 68580021 25' 12/2 MC Alum Cable Reduces installation costs up to 50-Percent over pipe and wire Lightweight aluminum armor-as much as 45-Percent lighter than steel MC Cable UL Classified 1, 2, and 3 hour Through Penetration Firestop Systems Cable reverse wound on reel for ease of pulling and installation. When pulling from coils, pull from inside to ensure ease of installation. Anti-short bushings are not required for use with MC cable per the NEC and UL