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  2. California Contractors State License Board - Wikipedia

    en.wikipedia.org/wiki/California_Contractors...

    The agency licenses individuals who are 18 years or older and can show verifiable proof of 4 years of experience at the journey level or as a foreman, supervisor, or contractor for the sought classification within 10 years of the application. The individual may run their own contractor business or work as a qualifying individual (QI) to qualify ...

  3. Regulation and licensure in engineering - Wikipedia

    en.wikipedia.org/wiki/Regulation_and_licensure...

    Regulation and licensure in engineering is established by various jurisdictions of the world to encourage life, public welfare, safety, well-being, then environment and other interests of the general public [1] and to define the licensure process through which an engineer becomes licensed to practice engineering and to provide professional services and products to the public.

  4. National Joint Apprenticeship and Training Committee

    en.wikipedia.org/wiki/National_Joint...

    The organization worked with various experts to ensure that electrical apprentices in the organized labor movement had access to the most-up-to date training initiatives in the electrical construction industry. The organization had also hosted the National Training Institute (NTI), the largest electrical training seminar in North America.

  5. 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.

  6. Occupational licensing - Wikipedia

    en.wikipedia.org/wiki/Occupational_licensing

    Licensing: Licensing refers to situations in which it is unlawful to carry out a specified range of activities for pay without first having obtained a license. This confirms that the license holder meets prescribed standards of competence. Workers who require such licenses to practice include doctors, lawyers, nurses, civil engineers, and ...

  7. IEC 60320 - Wikipedia

    en.wikipedia.org/wiki/IEC_60320

    A variety of different kinds of IEC 60320 plugs and sockets. IEC 60320 Appliance couplers for household and similar general purposes [1] is a set of standards from the International Electrotechnical Commission (IEC) specifying non-locking connectors for connecting power supply cords to electrical appliances of voltage not exceeding 250 V (a.c.) and rated current not exceeding 16 A. [1 ...

  8. National Electrical Code - Wikipedia

    en.wikipedia.org/wiki/National_Electrical_Code

    The National Electrical Code (NEC), or NFPA 70, is a regionally adoptable standard for the safe installation of electrical wiring and equipment in the United States. It is part of the National Fire Code series published by the National Fire Protection Association (NFPA), a private trade association . [ 1 ]

  9. Aluminum building wiring - Wikipedia

    en.wikipedia.org/wiki/Aluminum_building_wiring

    In an old apartment, the result of a qualified electrician's improperly-joined aluminum and copper wires. If inadequate torque is applied to the electrical device termination screw or if the devices are not CO/ALR rated (or at least CU/AL-rated for breakers and larger equipment) this can result in an inadequate connection of the aluminum wire.