What does a plumber do? How to get a water and electricity certificate?

Plumber generally refers to a master who is both a hydraulic engineer and an electrician on a construction site. We usually call him a plumber. And electrician generally refers to a master with professional operation certificate and rich practical experience. Of course, some plumbers are also certified, but there are still some differences between professional electricians and plumbers. Next, let's take a look at how to pass the plumber's exam and learn more about the responsibilities of plumbers!

How to test the hydropower certificate

The special operation certificate issued by the safety production supervision and management bureau (namely the safety supervision bureau) includes electrician, welder, climber, refrigerator worker, scaffolder, aerial work and other types of work. Electricians are just one of them. The electrician in the special operation certificate includes high-voltage operation and low-voltage operation. High voltage operation refers to live operation before maintenance, installation and debugging of electrical equipment with voltage above 1 kV. Low-voltage operation refers to live operation before overhaul, installation and debugging of electrical equipment below 1 kV. Enter oneself for an examination of general factories and mines, can take an examination of low-voltage electrician special operation certificate; If the power operation above 1 kV is involved, it is necessary to take the high-voltage electrician special operation certificate.

2. Vocational qualification certificates issued by Ministry of Human Resources and Social Security also cover many occupations. Electrician professional qualification certificate is divided into five grades: primary, intermediate, advanced, technician and senior technician. The vocational qualification examination needs to go to a vocational skill appraisal institution or a qualified training and assessment unit for consultation and registration. Vocational qualification certificate registration must be at least 18 years old, with junior high school education or above. At present, many areas can apply for the exam from the advanced level, but the premise is to meet certain application conditions. What is the use of vocational qualification certificate? Vocational qualification certificate can reflect the skill level at work. Just like our academic qualifications, whether you graduated from junior high school or university, the diploma is your academic credentials. The same is true for vocational qualification certificates. If the skill level is high, you can take an examination of senior technicians and evaluate their titles in the unit. The salary increase is the best proof. There may be some subsidies in some areas after retirement. The application conditions and application materials of vocational qualification certificates at all levels need to be consulted in detail with relevant local departments.

3. network access license Electrician network access license, an electrician of the Electric Power Bureau, is generally a work permit for accessing the network used by the insiders of the Electric Power Bureau, and he also needs to hold relevant certificates. If you want to take this certificate, you need to consult and register with the Electric Power Bureau.

What does a plumber do?

Plumber is the floor of hydraulic engineering (plumber) and electrician, referred to as plumber for short. Plumbers are construction workers. They install some simple circuits and waterways on the site. There are two kinds of plumbers, installation plumbers and maintenance plumbers. The installation of plumbers is mainly the installation of embedded fire bridges for civil water supply and drainage, as well as decoration, such as home decoration. The plumber is the water and electricity repairman recruited for hotels and school properties. The former is relatively tired, with low technical content, and is basically manual labor. The latter is relatively easy, but the technical content is not high.

Plumber's fee

Change electricity

The unit price per meter for 2.5mm2 high-voltage transformation is 23 yuan, that for 4mm2 high-voltage transformation is 28 yuan, that for 6mm2 high-voltage transformation is 38 yuan, and that for the original pipe wall-crossing line is 18 yuan. 5- 15 yuan per box. Wall punching 10-30 yuan. The TV line, telephone line and network cable are about one meter in 20 yuan, and the switch socket is between 100-200 yuan.

Improve water quality

The unit price of water pipe renovation (PP-R pipe) is 38-46 yuan per meter, and the unit price of drainage pipe renovation (pipe diameter 50 and below) is 50-80 yuan per meter. The valve diameter is 20mm in 65 yuan and 25mm in 80 yuan. 60 yuan per square meter of toilet sediment excavation.

Materials for hydropower transformation:

Power: wire (including network cable and telephone line), wire accessories (conduit, tee, cassette, etc. ), switches, sockets, etc. Water: PPR water pipe, triangle valve, etc.

That's all about the plumber's work and how to get the plumber's certificate. The plumber holds a plumber's certificate issued by the state and has a strong sense of responsibility. We sometimes invite plumbers to decorate and install water and electricity!