Through terminal block, 282 Series, black Our through terminal block (item number 282-905) simplifies electrical installations. Conductors can only be connected to this through terminal block if their strip length is between 12 and 13 mm . 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 CAGE CLAMP® connection offers a reliable and maintenance-free way to connect all types of conductors. You do not need to prepare the conductor in any way, such as crimping ferrules. This through terminal block is suitable for conductor cross sections ranging from 0.2 mm² to 6 mm². An operating tool is used to operate this through rail-mount terminal block.