Through terminal block, 283 Series, CAGE CLAMP® Our through terminal block (item number 283-671) makes connections quick and easy. Ensure that the strip lengths are between 16 and 17 mm when connecting conductors to this through terminal block. Whether for industrial or building applications, you can use our through terminal blocks to connect electrical conductors quickly and safely. We offer variants for both classic through-wiring and potential distribution. This product features conductor terminals and utilizes CAGE CLAMP®. Our trusted universal connection known as CAGE CLAMP® is the industry standard for connection technology and electrical interconnections. Depending on the type of conductor, this through terminal block is suitable for conductor cross sections ranging from 0.2 mm² to 16 mm². This through rail-mount terminal block is operated with an operating tool.