Wago 4 conductor terminal block awg 28 14 280 series wago 280 994 wago 280 994 5mm wide 4 conductor through terminal block atex ex e ii colour grey for wire sizes awg 24 14 pack size 100 wago 280 994 5mm 4 cond through trmnl block atex ex e ii grey awg 24 14 100pk