3Pin 3 Way junction box: waterproof connector, including N - Neutral wire, G - Ground wire, L - live wire, can be used for 2-3 core cable.Cable Range Ø5-10mm. IP68 waterproof: safe and reliable, impact resistant, vibration, tensile, anti-electromagnetic. Waterproof ring can seal the cable well. Easy to install: The installation process is very simple and requires only a screwdriver. Suitable for quick connection of home, garden, farm, underground or outdoor lighting and external wiring. Application:outdoor billboards, tunnel lights, road landscape lights, outdoor displays, garden lights and other wire connections. Can be used for coastal, river or underwater engineering, underground engineering, etc.