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  2. Electrical contractor - Wikipedia

    en.wikipedia.org/wiki/Electrical_contractor

    An electrical contractor is a business person or firm that performs specialized construction work related to the design, installation, and maintenance of electrical systems. [1] An electrical contractor is different from an electrician ; an electrician is an individual tradesman and an electrical contractor is a business person or company that ...

  3. Electrician - Wikipedia

    en.wikipedia.org/wiki/Electrician

    Electrical contractors are businesses that employ electricians to design, install, and maintain electrical systems. Contractors are responsible for generating bids for new jobs, hiring tradespeople for the job, providing material to electricians in a timely manner, and communicating with architects, electrical and building engineers, and the ...

  4. List of construction trades - Wikipedia

    en.wikipedia.org/wiki/List_of_construction_trades

    Electrician, specializing in electrical wiring of buildings and related equipment. Electricians may be employed in the construction of new buildings or maintenance of existing electrical infrastructure, they can also install A/C and Telecommunications systems. [2] [3] Elevator mechanic installs vertical lift and transporting equipment.

  5. Top 100 Contractors of the U.S. federal government - Wikipedia

    en.wikipedia.org/wiki/Top_100_Contractors_of_the...

    With $48.666 billion in business with the U.S. federal government, Lockheed Martin, based in Bethesda, Maryland, is the largest U.S. federal government contractor. The Top 100 Contractors Report (TCR 100) is a list developed annually by the General Services Administration as part of its tracking of U.S. federal government procurement.

  6. National Electrical Contractors Association - Wikipedia

    en.wikipedia.org/wiki/National_Electrical...

    NECA currently has 119 local chapters across the United States, with a national headquarters in Washington, D.C. At the local level, each NECA chapter is an independently chartered organization with the autonomy to elect officers, determine priorities, set member dues and service charges, and help negotiate labor agreements with their local International Brotherhood of Electrical Workers (IBEW ...

  7. Contactor - Wikipedia

    en.wikipedia.org/wiki/Contactor

    AC contactor for pump application. A contactor is an electrically controlled switch used for switching an electrical power circuit. [1] A contactor is typically controlled by a circuit which has a much lower power level than the switched circuit, such as a 24-volt coil electromagnet controlling a 230-volt motor switch.

  8. General contractor - Wikipedia

    en.wikipedia.org/wiki/General_contractor

    A general contractor is a construction manager employed by a client, usually upon the advice of the project's architect or engineer. [7] General Contractors are mainly responsible for the overall coordination of a project and may also act as building designer and construction foreman (a tradesman in charge of a crew).

  9. Electrical wiring in North America - Wikipedia

    en.wikipedia.org/wiki/Electrical_wiring_in_North...

    In commercial and industrial, unenclosed NM cable is often prohibited in certain areas or altogether (depending on what the building is used for and local/state building codes). Therefore, it is almost never used by commercial electrical contractors. Most wiring is put in non-flexible conduit, usually EMT because of its cost and durability.

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