Safe Material- The terminal blocks are made of insulating and flame retardant material, which has a long service life, no corrosion, anti-aging and under 4KV pressure and against electric shock. reduce hidden dangers high temperature leakage in the circuits, as well as the current test hole. Easy to Use- Connector block with button design, no need to be operated by tools, just push the orange clip upward slightly at 90, then plug the wire and done. Instead of traditional electrical tape and intertwined butt connectors, technology innovation reduces wiring time by 70%. Makes work much easier and neater. Wide Application- Electric lever nut connectors with 2 port/3 port/5 port are universal for hard and soft wire, such as you can use them to control multiple lights by one switch, 3 types blocks of connectors meet your different needs. It is widely used in building wiring where space is limited for all necessary connections. Replace and Reusable- For maintenance replacement, you just need to unplug the terminals, no need to disconnect the wires to avoid incorrect connections. It can be recycled many times and can be removed when not not used. Wire Connector Kit-All wire connectors are encased in a plastic case for easy access Wire connectors are suitable for solid, stranded and flexible cables. Widely used in industry, lighting, security, communications and networks, etc. It can definitely meet your needs