How to choose a household distribution box?

There are distribution boxes in almost every household. Its principle is to assemble switchgear, measuring instruments, protective appliances and auxiliary equipment in a closed or semi-closed metal cabinet according to the electrical wiring requirements. During normal operation, the circuit can be switched on or off by means of manual or automatic switches. At the same time, it can reasonably distribute electric energy, has a high safety protection level, and can intuitively display the conduction state of the circuit, so as to better ensure the safety of electricity consumption. However, the electrical distribution box is also divided into quality and size. How to choose a distribution box for home decoration? What size should I buy?

    1. How to choose a household distribution box?

1. At present, the distribution boxes on the market mainly include metal shells and plastic shells. There are two types of flush installation and surface installation in structure. Therefore, when choosing, choose according to actual needs, no matter which type of distribution box you choose. Electric box, its box must be intact.

2. The wiring confluence in the box of the home distribution box should be set up separately for the phase line, the zero line and the ground wire for protection, and it is necessary to ensure that the overall and local accessories are intact. And to have very good insulation, you can use an electric pen to measure it to see if the insulation performance is good.

3. The mounting frame of the air switch should be clean and unobstructed and have enough space;

    2. How big is the home distribution box suitable for?

1. Look at the size of the home and the number of appliances. Generally, small units use 12-bit switches, and medium and large units use 24-bit switches. Generally, there is 1 total air switch, 1 total switch in each room, 1 air conditioner, 1 electric water heater, 1 lighting system, the induction cooker can have a separate leakage switch, and the refrigerator needs a separate switch.

    2. It depends on the specific situation of the appliance. For example, how many air conditioners there are in the house, whether the water heater uses electricity or gas, whether to use heating in winter, etc. The air conditioner is usually about 735W per horse, the electric direct heating water heater is 3000W to 9000W, and the heater is 1000W to 4000W, so you have to calculate your home. About how much electricity is used and then float up by about 20%.