An electrician is an electrician specialist who is a professional who specializes in electrical wiring of different kinds of establishments, including communication lines, transportation systems, electrical equipment and other related machinery. Electricians can also be employed at the installation or the repair and maintenance of current, electrical infrastructure. They are trained to handle different types of equipment which can be classified into three types: general-purpose, specialized, and specialized-general. General-purpose power supplies, such as motors and engines, are used by all kinds of enterprises. These tools are capable of providing power to machines and equipment that can be used either for domestic purposes or for industrial applications.

Special-purpose power supplies to include devices such as tools, heavy-duty industrial products, medical equipments, power transmission cables, and other electrical equipment. The devices that are used in this profession are classified into two categories; primary-secondary, and alternating-current (AC). Power cables are also classified into three categories: direct current (DC), alternating current (AC), and direct current (DC/AC). An AC electrician must have certain qualifications, which includes a certificate that shows a certain amount of work experience, a license, and also an insurance policy that covers the cost of any accidents that may occur during work.

Electricians also come in handy in areas of water and power supply. A power technician is the person responsible for installing and repairing power supplies at various places, like farms, warehouses, industrial facilities, and other similar establishments. In this type of occupation, they work in different environments, such as the home, business, and other commercial buildings. This is a very demanding job as they are responsible for maintaining the systems used to supply power to machines and devices.

Aside from the main task of providing electricity, electricians also carry out maintenance and repairs on these devices. This job may be involved with the installation, replacement, repair, and cleaning of different parts that have the capability of performing their functions properly. A skilled electrician knows how to handle these devices to make sure that its functions run smoothly and that they do not break down due to wear and tear.

It takes years of training to become an electrician, and those who want to learn and practice this profession must have a good knowledge about different types of devices and equipment used. to provide electricity, and be able to read schematic diagrams which are usually used in the field of electrical works.

Electricians also need to be licensed, in order to be able to work in a certain area. This is especially true for industries that require electricity for specific purposes, and where they can only work with specific types of equipment and materials. Some of these types of industries include power plants, gas furnaces, oil refineries, and even in medical practices.