How to choose distribution box? What's the right size?

- Mar 21, 2020-

How to choose distribution box? What's the right size?


Almost every family has distribution box. Its principle is to assemble switchgear, measuring instruments, protective appliances and auxiliary equipment in closed or semi closed metal cabinets or screens according to electrical wiring requirements. In normal operation, the circuit can be switched on or off with the help of manual or automatic switch. 

At the same time, it can distribute electric energy reasonably, have a higher level of safety protection, and display the on state of the circuit intuitively, so as to better guarantee the safety of power consumption. But there are also quality and size of distribution box. How to choose distribution box for home decoration? How big is the right size to buy?

How to choose distribution box?What's the right size?1

1、 How to choose household distribution box?

A. At present, there are mainly two types of distribution box in the market: metal shell and plastic shell. There are two types of structure: concealed type and exposed type. Therefore, when selecting distribution box, it should be selected according to the actual needs.

B. The mounting bracket of the air switch shall be smooth and free of obstruction and have enough space; the door panel of the distribution box shall have transparent window for inspection.

How to choose distribution box?What's the right size? 2

2、 How big is the home distribution box?

A. Look at the home area and the number of household appliances. Generally, 12 position switches is used for small house type and 24 position switches is used for medium and large house type. Generally, there is one air switch, one air conditioner, one electric water heater and one lighting system in each room. The electric cooker can be equipped with a separate electric leakage, and the refrigerator needs to be equipped with a separate one. As long as the general switch is closed for business trips, the refrigerator can still operate independently.

B. It depends on the specific situation of home appliances. For example, how many air conditioners do you have in your home, whether the water heater uses electric water heater or gas (direct heating or water storage), whether you need to use heating in winter, etc., so you need to calculate the power consumption in your home and then float up about 20%.