Like Copper wiring, aluminum magnet wire has many applications – however, it also has several differences to that of... moreLike Copper wiring, aluminum magnet wire has many applications – however, it also has several differences to that of copper. Electrical utilities use aluminum wiring for overhead transmission lines. Aluminum has become more popular for use in commercial facilities – locations that take advantage of aluminum wiring include high rise buildings, stadiums, shopping malls, commercial buildings, wastewater treatment plants and manufacturing facilities.