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  2. UL (safety organization) - Wikipedia

    en.wikipedia.org/wiki/UL_(safety_organization)

    UL headquarters in Northbrook, Illinois. Underwriters Laboratories Inc. was founded in 1894 by William Henry Merrill.After graduating from the Massachusetts Institute of Technology (MIT) with a degree in electrical engineering in 1889, Merrill went to work as an electrical inspector for the Boston Board of Fire Underwriters. [9]

  3. California Building Standards Code - Wikipedia

    en.wikipedia.org/wiki/California_Building...

    Part 1-California Administrative Code; Part 2-California Building Code; Part 2.5-California Residential Code; Part 3-California Electrical Code; Part 4-California Mechanical Code; Part 5-California Plumbing Code; Part 6-California Energy Code (this section is commonly known as “Title 24” in the construction trade) [3] Part 7- Reserved

  4. Building inspection - Wikipedia

    en.wikipedia.org/wiki/Building_inspection

    A building inspector may be certified either as a residential or commercial building inspector, as a plumbing, electrical or mechanical inspector, or other specialty-focused inspector who may inspect structures at different stages of completion. [1] Building inspectors may charge a direct fee or a building permit fee. Inspectors may also be ...

  5. 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 ]

  6. Electrical safety testing - Wikipedia

    en.wikipedia.org/wiki/Electrical_safety_testing

    Visual inspection. A survey without touching anything, and looking at the electrical installation or product before starting any electrical testing. A visual inspection seeks to identify damaged insulation, disconnected wires, incorrect installation, and any other visual issues. Dead testing. Continuity test: a test to check the wiring is correct

  7. Portable appliance testing - Wikipedia

    en.wikipedia.org/wiki/Portable_appliance_testing

    An example of a nationally recognised qualification of competence in PAT testing is offered by City & Guilds: 2377-77 Level 3 Award in the In-service Inspection and Testing of Electrical Equipment (603/6790/8), [21] while the current (2023) guidance is the 'Code of Practice for In-service Inspection and Testing of Electrical Equipment – 5th ...