Wago double deck 1 and 2 conductor din rail terminal blocks 2022 series wago 2022 2207 wago 2022 2207 pe double deck 2 conductor ground din rail mount terminal block colour green yellow for wire sizes awg 22 12 pack size 1 wago 2022 2207 pe dbl deck 2 conductor ground t block green yellow awg 22 12