The 3M Scotchlok MVU18BC Butt Connector is a vinyl-insulated terminal designed for connecting stranded copper wires. Featuring a butted seam barrel and tin-plated ETP copper construction, it ensures a robust and corrosion-resistant connection. It is UL Listed and CSA Certified for use in building wire and luminaries, making it suitable for a wide range of electrical applications, including building wiring, signs, and fixtures. Proper installation requires using a recommended 3M crimp tool for a secure and reliable crimp.