Wago 5mm terminal block test plug adaptor awg 28 14 280 series wago 280 869 wago 280 869 5mm wide 2 conductor test plug adaptor disconnect terminal block colour grey for wire sizes awg 28 14 pack size 50 wago 280 869 5mm 2 cond test plug adaptor disc trm block grey awg 28 14 50pk