The WAGO 279 series ground/earthing terminal block is designed for Ex e II applications and features a 1-deck/level with a center marking slot. It is green-yellow in color and supports one grounding/protective-earth (1PE) connection for two wires using one clamp each (1+1). It accommodates wire sizes from 0.08mm² to 1.5mm² or #28AWG to #16AWG and utilizes CAGE CLAMP spring connections. The terminal block mounts on a DIN-35 rail (35 x 15 / 35 x 7.5) and has a width of 4mm, equivalent to model 279907999950.