They are used not only for the design of electrical networks in even the smallest details, but also makes using them you can monitor the status of installations already in operation.Thanks to computer programs monitor the status of the electrical system has become almost a snap.
Some electricians are union members and work under their union's policies. Australia Electricians can choose to be represented by the Electrical Trade Union (ETU).
Some examples of electricians' unions are: International Brotherhood of Electrical Workers; Canadian Union of Public Employees, International Union of Electronic, Electrical, Salaried, Machine, and Furniture Workers ; and the International Association of Machinists and Aerospace Workers. The International Brotherhood of Electrical Workers provides its own apprenticeships through its National Joint Apprenticeship and Training Committee and the National Electrical Contractors Association.
Many merit shop training and apprenticeship programs also exist, including those offered by such as trade associations as Associated Builders and Contractors and Independent Electrical Contractors.
Department of Labor regulations. England/Ireland In England, electricians are represented by several unions including Unite the Union In the Republic of Ireland there are two self-regulation/self certification bodies RECI Register of Electrical Contractors of Ireland and ECSSA.Źródło: https://en.wikipedia.org/wiki/Electrician
A lineman (American English) or linesman (British English), also occasionally called a lineworker, powerline technician (PLT), or a powerline worker, is a tradesman who constructs and maintains electric power transmission and distribution facilities. The term is also used for those who install and maintain telephone, telegraph, cable TV and more recent fiber optic lines. The term refers to those who work in generally outdoor installation and maintenance jobs. Those who install and maintain electrical wiring inside buildings are electricians.Źródło: https://en.wikipedia.org/wiki/Lineman_%28technician%29.