COMPATIBLE WIRE GAUGECome with 50 pieces of waterproof wire nut cap of small-size(12mm x 23mm), compatible with 14AWG, 16AWG, 18AWG, 20AWG, 22AWG, meet your various needs. A+Size12mm x 23mm, fits 14AWG-22AWG/0.08-6m PREMIUM MATERIALThe electrical waterproof wire nuts connectors are made of high-quality PVC material, which is not only sturdy, durable and flexible, but also can work in the temperature range from -40 to 400. Besides, these outdoor wire nuts black can withstand the max voltage of up to 600V, which reduces fire risk and protects your wires using. IP65 WATERPROOF DESIGN & SILICONE SEALANTThe 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-corrosion, can be exposed to condensation, water, steam or dust. Perfect fit for the wet places using. Easy to InstallNo pre-twisting required,you just need to put the wire ends into the wate