1Easy wiring: Just strip the wire and insert it into the terminal block. 2The transparent housing allows visual inspection of the connection. 3The test hole on the back of the connector makes it convenient to test the wire with testing probe. 4The shell is made of flame retardant engineering plastic, safe and reliable. 5It is a terminal module for power supply, used for linking lamps and other equipments. It is suitable for lighting, home appliances, etc., and can be connected with 0.5-2.5MM2 single-strand, multi-strand and fine multi-strand wire, and can be equipped w