Elevate your electrical installations with the Sigma Engineered Solutions ProConnex 42400 Intersystem Bonding Bridge Conduit Fitting, 1-Pack (Gray), your solution for efficient grounding of multiple systems in a single location. This bonding bridge mounts directly to the grounding electrode conductor, allowing you to ground up to four systems simultaneously. With a main ground wire range from #6 to #2 and an auxiliary ground wire range from #14 to #4, this bonding bridge ensures compatibility with various conductor sizes. The lay-in style lug makes installation a breeze, whether you're working with solid or stranded copper conductors.