Wago 175mm distribution terminal block awg 24 8 284 series wago 284 621 wago 284 621 175mm wide distribution terminal block 3 cage cl1 screw cl colour grey for wire sizes awg 24 8 pack size 15 wago 284 621 175mm dist t blk 3 cage cl1 screw cl grey awg 24 8 15pk