What are the requirements for wiring of lighting distribution box
1、 If the household lighting distribution box is installed, it is necessary to purchase the incoming line, which is conn ...
Safe operation procedures for distribution box
1. Electricians without relevant knowledge shall not dismantle the distribution box. 2. No sundries shall be piled arou ...
How to deal with the high temperature of distribution box in summer?
1. The distribution box with louvers on both sides and no separation in the middle shall be selected as far as possible ...
What are the factors that affect the performance of distribution box
The distribution box is a kind of transmission equipment which controls the power. It is responsible for the distributio ...
Installation standard of distribution box
1. Outdoor box is equipped with guardrail, grounding and rainproof cover. 2. Color the foundation and pay attention to ...
Requirements for distribution box at construction site
1、 The manufacture and installation of distribution box and switch box shall meet the following requirements: 1. The di ...
Installation points of household distribution box
1. There are two types of domestic distribution box: metal shell and plastic shell. They are exposed type and concealed ...
Difference between power distribution box and lighting distribution box
The distribution box is divided into power distribution box and lighting distribution box, which are the last level equi ...
What fire prevention preparations should be made for the electric box
The electric box is a complete set of devices for centralized installation of switches, instruments and other equipment. ...
Analyze the cause of fire caused by aging of meter box
The electric meter box is now an important power transmission equipment for every household. The electricity of every ho ...
Different technology of spray painting and plastic spraying for distribution box
1. Different working principles Baking paint is a kind of industrial paint. It is divided into water-based metal baking ...
Selection of leakage circuit breaker
The leakage circuit breaker has two functions, one is the function of circuit breaker, the other is the function of leak ...
How many types of circuit breakers?
1. According to the operation mode, there are electric operation, energy storage operation and manual operation. 2. Acc ...
Why use leakage protector?
Leakage protector, also known as leakage protection switch, is a new type of electrical safety device. Its main purpose ...
![The difference between [electromagnetic] and [electronic] leakage circuit breakers](https://y24.hongcdn.com/uploads/1m/2006/use-of-circuit-breaker.jpg)
The difference between [electromagnetic] and [electronic] leakage circuit breakers
The so-called leakage circuit breakers are divided into two types: electronic leakage circuit breakers and pure electrom ...
Why is the function of molded case circuit breaker (MCCB) so powerful?
The molded case circuit breaker (MCCB) has three-stage protection function. The circuit breaker of class B has full sele ...
Selection and application of electronic earth leakage circuit breaker (ELCB)
Electronic earth leakage circuit breaker is mainly composed of zero sequence current transformer, electronic control lea ...
What factors should be considered when selecting low voltage circuit breakers?
According to its structure, the low-voltage circuit breaker can be divided into ACB, MCCB and MCB. The overload protecti ...
Distinguishing knowledge of circuit breaker, contactor and relay in power system
In the power system, circuit breakers, contactors and relays seem to be familiar guys, but many of them are not clear ab ...
How does protect personal safety?
In this age of electricity everywhere, there are few safety measures to use electricity. is one of them, and it is also ...
Specific advantages of excellent manufacturers of AC contactor
With the popularization of electrical equipment, people have a wider understanding of electrical equipment. With the dev ...
Test method for judging the quality of AC contactor
AC contactor is a common control device in the electrical system, which has the function of frequently connecting and cu ...
Analysis of the failure cause of the AC contactor when it makes up
When the AC contactor makes up, it is accompanied by vibration and noise, which is one of the common faults of the AC c ...
Causes of contact overheating of AC contactor
In the use of AC contactor, it will be found that the main contact of the product is overheated. In view of this abnorma ...
