TOPJOB LINE Topjob S line has 24 disconnect, diode and LED terminal blocks. Specialty feed-through blocks accommodate conductors AWG 22–12 and are available in two-, three- or four-pole variants with single-, double- or triple-deck configurations. Each DIN-rail mount block has a staggered jumpering system for potential commoning and traditional push-in jumpers. Disconnect terminal blocks feature a test plug located on the side of each knife disconnect. The specialty blocks employ push-in terminations for ferruled or solid conductors.