DC and AC use AWM21996 22-20AWGX3C CPE 3×0.3-0.5mm² H05VV-F 3×0.75-1.5mm² H05RN-F 3×0.75-1.0mm² H07RN-F 3×1.0-1.5mm² SJTW/SJT/SVT 18/16AWGX3C