In construction engineering or various decoration construction, flused mounted PVC electrical box is a necessary electrical auxiliary tool. There are some differences between flused mounted PVC electrical boxes and junction boxes. The junction box is mainly used for the installation of various switches and sockets and other electrical wiring panels, to keep the building surface neat and beautiful. PVC electrical boxes generally need to be embedded installed.

The flush mounted PVC electrical box can also play the role of connecting wires, the transition of various electrical wires, and the protection of electrical wires safety.

How to calculate the demand quantities of pvc electrical boxes?

The switch box is used as the back box of the switch and socket, and the junction box is used for wiring and dividing of the conduits and lamps. The switch box is equal to the total number of switches and sockets. The junction box is the total number of junction boxes added according to the regulations in the lamp position and pipeline. (30 meters without turning; 20 meters with one turning, 12 meters with two turning and 8 meters with three turning).