COMPATIBLE WIRE GAUGE: The package contains 50 pieces of waterproof electrical wire connectors compatible with various wire gauges, including 12AWG, 14AWG, 16AWG, 18AWG, 20AWG, and 22AWG. These wire splice connectors are designed to meet your diverse needs..PREMIUM MATERIAL: The electrical wire caps are made of high-quality PVC material, ensuring sturdiness, durability, and flexibility. They can withstand a wide temperature range from -40℉ to 400℉ and are capable of handling a maximum voltage of up to 600V. This reduces the risk of fire and effectively protects your wires..IP65 WATERPROOF RATING: These outdoor electrical connectors feature an IP65 waterproof design, making them resistant to weather conditions, moisture, and corrosion. They are suitable for use in environments exposed to condensation, water, steam, or dust. Perfect for wet locations..EASY TO USE: No pre-twisting is required, making installation quick and easy. Simply insert the wire into the waterproof connector and twist to secure the connection. The silicone sealant will automatically seal the wire connection after installation..WIDE APPLICATIONS: These outdoor wire connectors are suitable for a wide range of applications, including outdoor or electrical wire splices, outdoor landscape lighting, irrigation systems, automotive applications, building and construction projects, and other exterior wirings.