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How to distinguish power box, distribution box, household box and electricity meter box? What are the components in the box? How to calculate the dimensions of their boxes?

Views: 4     Author: Site Editor     Publish Time: 2022-12-10      Origin: Site

We all know that there are many kinds of power distribution facilities in electrical equipment, and they are inextricably linked, such as power box, distribution box, household box, and meter box. They are a headache for many people! Today, the manufacturer of the meter box came to tell you, "How to distinguish the power box, distribution box, household box and meter box? What are the components in the box? How to calculate the size of their boxes?" What you need to know, you should have a careful look!

power box


Ready Board box: refers to low-voltage non-standard boxes and cabinets, as well as the general name of power box, household box and meter box.

 

Ready Board box: refers to the small box similar to the door of a commercial house (PZ30 standard box is mostly used for commercial houses, and non-standard box is mostly used for public parts. Household box is often used for lighting, so it is also called lighting box.

 

The commonly installed components are circuit breakers.

ready board

 

Electric meter box: refers to the distribution box installed in the shaft and in the strong current room. The main purpose is to install an electric meter in the distribution box to measure the electricity consumption of each user.

meter box

 

The commonly installed components are circuit breakers, ammeters, terminals and fuses.

 

The box size is calculated as follows:

 

1. A certain distance shall be reserved at the upper end of the main switch (for incoming cables at the construction site)

 

2. A certain distance shall be reserved from the lower end of the main switch to the first row of sub switches (for installing copper plates and wiring for workers)

 

3. The first row is separated and a certain distance is reserved for the second row of sub switches (for workers' wiring and outgoing lines at the site)

 

4. There should be a certain distance between the second row of sub switches and the secondary elements (for workers' wiring and outgoing lines on site)

 

5. The last row of components shall be kept a certain distance from the bottom of the box (for outgoing lines at the construction site)

 

Note: The above "certain distance" shall be determined by the current of the component and the diameter of the copper plate and the routing wire.


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