1、Push fit wire connector for junction box. 2、Easy wiring: Just strip the wire and insert it into the terminal block. 3、The transparent housing allows visual inspection of the connection. 4、The test hole on the back of the connector makes it convenient to test the wire with testing probe. 5、The shell is made of flame retardant engineering plastic, safe and reliable. Features:  Push fit wire connector for junction box. Easy wiring: Just strip the wire and insert it into the terminal block. The transparent housing allows visual inspection of the connection. The test hole on the back of the connector makes it convenient to test the wire with testing probe. The shell is made of flame retardant engineering plastic, safe and reliable. Specification: Shell material: Engineering plastic Spring material: Nickel-chromium alloy steel Number of pins: 2/4/6/8 Pin (Optional) Stripping length: 12mm/ 0.47in Single strand wire: 0.75- 2.5mm2/AWG118-12 Multi-strand wire: 1.5- 2.5mm2/AWG16-12 Voltage & Current: 600V 20A Size: 25.6* 20.1* 14.2mm / 1.01* 0.79* 0.56in   Package list: 100 * Wiring Connector