What is weak current, what is strong electricity, and how to get the certificate of strong electrici

Electronics are divided into two parts: strong electricity (electricity) and weak electricity (information). The two are both related and different, generally speaking, the processing object of strong electricity is energy (electricity), which is characterized by high voltage, high current, high power, low frequency, the main consideration is to reduce loss and improve efficiency, the processing object of weak current is mainly information, that is, the transmission and control of information, which is characterized by low voltage, small current, small power, high frequency, and the main consideration is the effect of information transmission, such as the fidelity, speed, breadth, and reliability of information transmission. In general, weak current engineering.

Including television engineering, communication engineering, fire engineering, security engineering, imaging engineering, etc. and the integrated wiring engineering for the above engineering services. Weak electricity is for strong electricity. Strong current = (380 220), high voltage does not matter.

Strong electricity mainly refers to the height of more than 220 volts.

Voltage and high-current wiring, including air conditioning wiring, lighting wiring, socket wiring and panels. Weak current is the transmission of signals, such as network cables, ** lines, cable TV lines, etc.

You can apply. Talent marketplace.

You can get it.

Generally speaking, electricity below 36V is called weak current, usually this electricity is used as a signal, so our usual ** line, closed line, network cable, including optical fiber, audio cable, control line, etc. all belong to the weak current range. The strong electricity refers to the electricity higher than 36V, so our civil electricity 220V, industrial electricity 380V, 660V, 127V, etc. all belong to the range of strong electricity, and also include high-voltage electricity.

There is a difference in certificates, there is a kind of strong electricity called electrician certificate, which is the most basic, and it can be obtained by the local labor and employment department, while certificates such as weak current engineers must be obtained by professional construction committees and other places.

Weak current refers to only the communication signal such as **, network, TV cable Strong electricity will hurt people Such as household 220V power supply There is strong electricity Weak current certificate Primary, intermediate, and advanced, there are special training schools Remember to issue a certificate issued by the National Security Commission The whole country can be used Mine is

Summary. The difference between a strong electrical electrician certificate and a weak electrical certificate is: if the electrician network access permit refers to strong electricity, you can enter the high-voltage power grid to work, and if it is a special operation certificate, it includes more.

Strong electricians mainly do high voltage, and the working voltage is higher than the safe low voltage (greater than 50 volts), such as daily fluorescent lamps and three-phase single-phase motors; Weak electrician is relatively low in the working voltage output by the general voltage through the transformer, such as home appliance maintenance, networking, monitoring, etc.

The difference between the strong current electrician certificate and the weak current electrician certificate is: if the electrician enters the exciting Qin rolling network license, it refers to the strong electricity, which can enter the high-voltage power grid to work, and if it is a special operation certificate, it includes more. Strong electricians mainly do high voltage, and the working voltage is higher than the safe low voltage (greater than 50 volts), such as daily fluorescent lamps and three-phase single-phase motors; Weak electricians are relatively low in the working voltage output by the general voltage through the transformer, such as home appliance maintenance, Shoumin network, **, monitoring, etc.

I hope the barrage can help you, and I wish you a happy new year! All the best, all the best, and the New Year is good. If you find it helpful, please put your fingers down and give it a thumbs up!

Thank you If you still have questions later, you can click on my head to consult Li Hengmao to one, thank you

The more authoritative certificates of weak current are as follows:

1. Intelligent building weak current engineer certificate, issued by the Ministry of Industry and Information Technology Education and Examination Center, the certificate is common throughout the country and can be found in the Ministry of Industry and Information Technology Education and Examination Center official ** query, weak current engineer work content has organized weak current drawings review, engineering construction design and construction plan of the absolute discussion and approval, preparation of strong and weak current bidding technical specifications, and is responsible for summarizing the evaluation opinions of various departments.

2. The first-class or second-class mechanical and electrical construction engineer certificate is organized by the provincial construction department twice a year, and the examination is valid within two years.

3. Intelligent building manager certificate, intelligent building manager refers to the personnel engaged in building intelligent system management and equipment management, operation and maintenance, etc., the main work chain macro stove content has to manage and maintain building wiring, monitoring, use and maintain building equipment, manage communication and network systems, use and improve intelligent building management systems and manage fire alarm and safety prevention systems.

The more authoritative certificates of weak current are as follows:

1. Intelligent building weak current engineer certificate, issued by the Ministry of Industry and Information Technology Education and Examination Center, the certificate can be found in the Ministry of Industry and Information Technology Education and Examination Center official ** query, weak current engineer work content is organized weak current drawings review, engineering construction design and construction plan discussion and approval, preparation of strong and weak current bidding technical specifications, and responsible for summarizing the review opinions of various departments.

2. The first-class or second-level mechanical and electrical construction engineer certificate is organized twice a year by the provincial construction department, and the examination is valid within two years.

3. Intelligent building manager certificate, intelligent building manager refers to the personnel engaged in building intelligent system management and equipment management, operation and maintenance, etc., the main work content is to manage and maintain building wiring, monitoring, jujube spring use, maintenance of building equipment, management communication and network systems, use and improve intelligent building management systems and management fire alarm and security systems.

1. First-class constructor, referred to as a building.

Mechanical and electrical corresponding to the weak current industry, the certificate is used nationwide, the examination is 1 time a year, and the certificate is valid through 4 exams in 2 examination cycles.

In 2002, an examination policy was introduced, similar to the Certificate of Senior Project Manager in Computer Phiss System Integration. Relatively speaking, a construction certificate is the most weighty, but also the most difficult to test, laws and regulations, affairs, project management is relatively simple, is the accumulation of experience in the work, expressed in written language to remember, the exam is easy to pass; It's that the fourth subject of economics is too difficult, most of the formulas, calculus, and the content has a lot to do with finance.

2. Second-level constructor, referred to as the second constructor.

Mechanical and electrical corresponding to the weak current industry, the certificate is common in the province, and the land is examined once a year, and the certificate is valid for 4 exams in 2 examination cycles.

Similar to the Computer Systems Integration Project Manager Certificate.

This certificate is the most common and the most basic one.

It's easy to test, and you can pass it in the form of a backboard book.

The construction engineer certificate is issued by the Ministry of Construction of the People's Republic of China, and it is affiliated (practiced) to a company and renews it once every 3 years.

1.Weak current certificate refers to the certificate held by personnel with certain professional skills and knowledge in electronic technology, communication engineering, computer network, etc., mainly involving the design, construction and maintenance of low-voltage circuits, and weak current electrician certificate refers to the certificate held by people with electrical installation and maintenance capabilities, mainly involving the installation and maintenance of high-voltage circuits. 2.

The weak current electrician certificate belongs to a kind of operation certificate in special industries, and the construction electrician certificate belongs to a kind of operation operation certificate in the category of construction work. 3.The weak current certificate is issued by the local quality inspection sub-bureaus under the General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, and the weak current electrician certificate is issued by the labor department.