In fact, the household distribution box (ready board) is a closed or semi closed cabinet that is assembled with switches, instruments for measurement, protection of household appliances and auxiliary equipment according to the wiring requirements of the electrical lighting system required by the family, thus forming a distribution box (ready board). Such a distribution box (ready board) can switch on or off the circuit through manual or automatic switches during normal operation. When the family circuit fails or does not fall within the normal range, the distribution box (ready board) can cut off the circuit by itself or give an alarm to ensure safety, that is, it will trip as we usually say. In addition, through the display of various parameters of the measuring instrument, it will also adjust some electrical parameters according to the situation, and automatically prompt or send signals to those not in the normal working state.

Purchase method of household distribution box (ready board):

1. At present, the distribution box (ready board)es (ready board) in the market mainly have plastic shells, which can be selected according to actual needs. No matter which type of distribution box (ready board) is selected, its box must be intact.

2. Phase lines and protective ground lines should be set up at the junction of the wiring in the box of the household distribution box (ready board), and the overall and local accessories must be in good condition. When you buy it again, you must see it clearly, and it must have very good insulation. You can use an electric pen to measure it to see if the insulation performance is good, and you must ensure safety.

3. The mounting bracket of the air switch shall be smooth and unobstructed with sufficient space.