【Widely Used Terminal Blocks】Wire connectors are suitable for solid wire 0.5-4mm²/20-12AWG and flexible wire 0.2-2.5mm²/24-14AWG. Widely used in building wiring, industry, lighting, security, communication and networking, etc. Instead of traditional insulation tape and intertwined butt connectors, technological innovation reduces wiring time by 60-70%. 【Easy to Use】First remove the cable jacket (11-12mm), just lightly press the orange clip 90° upwards, insert the stripped wire and press the lever to secure the wire. A solid connection can be made without the need for any other tools. Each cable connector has a test hole so you can check if the terminal is powered without unplugging the connector. 【Safe】Electrical connectors are made of the best PA6 nylon modified flame retardant insulating material, which can last long service life, no corrosion, anti-aging and 4KV pressure and against electric shock, much safer than traditional insulation tape. The inside is made of high quality