... Simple,quick installation MC4 solar connector (female and male) for PV junction box, solar module, solar power system Pairs of Multi-Contact ... silver platedFlame ClassUL94-V0 or UL94-5VA Advantages of Solar Connector:•Simple,quick,safe and effective filed assembly• ... -time outdoor application•Approved by TUV MC4 solar connector (female and male) for PV junction box, solar module, solar power system