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Electricians were originally people who demonstrated or studied the principles of electricity, often electrostatic generators of one form or another. [2]In the United States, electricians are divided into two primary categories: lineperson, who work on electric utility company distribution systems at higher voltages, and wiremen, who work with the lower voltages utilized inside buildings.
A master miller displays an antique journeyman's licence in Meissen, 1981. Journeyman papers, or a journeyman's licence, is a certification granted to tradesmen upon completion of an apprenticeship. The certificate verifies that the worker is skilled in their trade. A tradesmen who has received this certification is referred to as a journeyman ...
Reciprocity of electrical networks is a special case of Lorentz reciprocity, but it can also be proven more directly from network theorems. This proof shows reciprocity for a two-node network in terms of its admittance matrix, and then shows reciprocity for a network with an arbitrary number of nodes by an induction argument.
Forms of the reciprocity theorems are used in many electromagnetic applications, such as analyzing electrical networks and antenna systems. [1] For example, reciprocity implies that antennas work equally well as transmitters or receivers, and specifically that an antenna's radiation and receiving patterns are identical.
The modern journeyman is a term for the many paths of adult education and can be used to describe life's process of continual learning. Although the term journeyman is typically traditional, modern journeyman is also used to refer to current concepts of adult education: life-long learning, up-skilling, the knowledge wave and modern ...
The International Brotherhood of Electrical Workers (IBEW) is a labor union that represents approximately 820,000 workers and retirees [1] in the electrical industry in the United States, Canada, [3] Guam, [4] [5] Panama, [6] Puerto Rico, [7] and the US Virgin Islands; [7] in particular electricians, or inside wiremen, in the construction industry and lineworkers and other employees of public ...
Reciprocity (electromagnetism), theorems relating sources and the resulting fields in classical electromagnetism; Reciprocity (electrical networks), reciprocity theorem as it relates to current and voltage in electrical networks; Reciprocity (network science), measures the tendency of vertex pairs to form mutual connections between each other
The official title of "state electrician" was given to some American state executioners in states using the electric chair during the early 20th century, including the New York State electrician. [1] [2] The title itself is somewhat of a euphemism, while the persons appointed were electricians by trade, the title on its own did not give any ...