Hold install the software with specific functions allows, for example, to measure the resistance of the electrical installations and other properties and measured in a direct way would have to be carried out in a more complicated formula.
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). Electrical Contractors can be represented by the National Electrical & Communications Association or Master Electricians Australia. North America Some electricians are union members. 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.These organizations provide comprehensive training, in accordance with U.S. 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