The 3 PK Burndy (YS31) 350MCM Compression Copper and Mechanical Lugs and Butt Splices are designed for secure, high-performance solderless electrical connections. These connectors are ideal for use with 350MCM copper cables, offering both compression lugs and butt splices for versatile application in electrical systems. The solderless design ensures quick and easy installation without the need for soldering, providing a strong and reliable connection. Made from high-quality materials, these connectors offer excellent conductivity and durability, even in demanding environments. Perfect for commercial and industrial use, these connectors are built to ensure long-lasting, safe, and efficient electrical connections.