Waterproof junction box is a kind of industrial connector. The junction box is a device that can output two current or data signals through the shunt conversion of a connected power supply or data. Our junction box has one pg11 gland at the entrance and two M36 glands at the exit. The junction box can be installed in the narrow space such as bridge, box, pipe, cable trench, etc., which does not occupy the effective use area of the building, is convenient to install, and does not need to cut off the main cable.