Through terminal block, 282 Series, blue This through terminal block (item number 282-904) is designed to connect conductors quickly and easily. Strip lengths must be between 12 and 13 mm when connecting conductors to this through terminal block. Whether for use in industry or building installations, our rail-mount through terminal blocks allow you to quickly and securely connect electrical conductors. They’re perfect for either classic through-wiring or distributing potential, depending on the variant. This product features conductor terminals and utilizes CAGE CLAMP®. Our highly-rated 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. Depending on the conductor type, this through terminal block is ideal for conductor cross sections ranging from 0.2 mm² to 6 mm². This through rail-mount terminal block is operated with an operating tool.