Wago 3 conductor terminal block awg 28 14 280 series wago 280 993 wago 280 993 5mm wide 3 conductor through terminal block atex ex e ii colour grey for wire sizes awg 24 14 pack size 100 wago 280 993 5mm 3 cond through trmnl block atex ex e ii grey awg 24 14 100pk