This UL M15 Waterproof Male Female Connector has passed UL, TUV, CQC certificate, with gold-plated contact to ensure its high performance of corrosion resistance, with blue or black color plastic nut to protect against corrosion. This UL M15 Waterproof Male Female Connector is molded with cable, with customized cable type and cable length. There’s another version without cable, solder connector, which can be matched with this molded with cable version, they provide you with multiply options when designing your lighting fixtures.