Distributionbox and switch box should be arranged in dry and ventilated place.
配电箱与开关箱必须安装在干燥，通风的场所。
2
There is a switch board (control panel, distributionbox) mounted on the wall.
在墙上装有一个开关板（控制盘、配电箱）。
3
The distributionbox, switch box is necessary to perform a "machine" "gate" "leakage", power line end stop using the plug and socket connection to do activities.