Compatible Wire Gauge:wire connectors kit (P3W model) are suitable for 22 to 14 awg wire. Simply strip the wire to 0.5 - 1 inch, insert the wire into the electrical wire connectors, then twist clockwise in the Blue wire connectors nuts while pushing the wire slowly until the wire is very tight. Efficient Waterproof Protection:The waterproof end caps for electrical wire adopts IP65 waterproof design and pre-filled with the right amount of silicone sealant, which is weatherproof, moisture-proof and anti-, can be exposed to condensation, water, steam or dust. for the wet places using. High Performance waterproof wire connectors: Our silicone wire connector is made with premium silicone and waterproof adhesives, offering excellentwaterproof performance and weather resistance.Not only sturdy, and flexible, but also can work in the temperature range from -40℉ to 400 ℉. Besides, these outdoor wire nuts withstand the max voltage of up to 600V, which reduces fire risk and protects your wires using. Easy to Install:No pre-twisting required,you just need to put the wire ends into the waterproof caps, and then twist the cap. The silicone sealant overflow to seal the wire connection, prevent the wire ends from leaking when it encounters water and being oxidized. Wide Application:This wire nuts connectors waterproof medium are suitable for outdoor or electrical wire splices. Widely used in outdoor landscape lighting, building and construction applications, automotive applications, irrigation applications, wet location and other external wiring systems., Manufacturer: Akfldms