Common potential terminal block, 812 Series, blue.The common potential terminal block (item number 812-114) is designed for seamless electrical installations. Strip lengths must be 12 mm when connecting conductors to this common potential terminal block. This product features conductor terminals and utilizes CAGE CLAMP®. Our reliable and maintenance-free CAGE CLAMP® connection makes it easy to connect all conductor types without having to prepare the conductor. For example, you don't need to crimp ferrules. The dimensions are (38 x 42.5 x 43.5) mm (width x height x depth). This common potential terminal block is suitable for conductor cross sections ranging from 1.5 mm² to 16 mm².