Thousands of satisfied customers know our products for: Effective and reliable performance; UL Listed and CSA Certified where appropriate; a variety of types, sizes and materials meeting a broad application range, including the demands of temperature and weather; design features assuring easy installation of 3M™ products positive and easy wire insertion, elimination of strand hang-ups and wire twisting, and easy insulation entry. These are a few of the characteristics that make the installer's job easier.