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  2. Square D - Wikipedia

    en.wikipedia.org/wiki/Square_D

    By 1929, Square D merged with a Milwaukee-based industrial controller company and began producing Westinghouse-licensed circuit breakers. In 1935 Square D began producing its own range of circuit breakers for both commercial and residential uses. [3] In 1991, the company was acquired and became a subsidiary of Schneider Electric. [4] In 2003 ...

  3. Stab-Lok - Wikipedia

    en.wikipedia.org/wiki/Stab-Lok

    Angie's List and NBC Bay Area both highlighted an October 2002 ruling in a New Jersey Superior Court, which found that FPE (Federal Pacific Electric), the manufacturer of the Stab-Lok breakers and panels, "knowingly and purposefully [sic] distributed circuit breakers which were not tested to meet UL standards as indicated on their label".

  4. Distribution board - Wikipedia

    en.wikipedia.org/wiki/Distribution_board

    A distribution board (also known as panelboard, circuit breaker panel, breaker panel, electric panel, fuse box or DB box) is a component of an electricity supply system that divides an electrical power feed into subsidiary circuits while providing a protective fuse or circuit breaker for each circuit in a common enclosure.

  5. Circuit total limitation - Wikipedia

    en.wikipedia.org/wiki/Circuit_total_limitation

    If a panelboard with a sufficient number of breaker positions is installed in the first place, the need for non-CTL breakers should be eliminated. In their 2019 catalog Eaton now specifies that their non-CTL breakers are "Suitable for use in plug-on neutral style loadcenters" [ 4 ] which negates the replacement only rule.

  6. Arc-fault circuit interrupter - Wikipedia

    en.wikipedia.org/wiki/Arc-fault_circuit_interrupter

    When installed as the first outlet on a branch circuit, AFCI receptacles provide series arc protection for the entire branch circuit. They also provide parallel arc protection for the branch circuit starting at the AFCI receptacle. Unlike AFCI breakers, AFCI receptacles may be used on any wiring system regardless of the panel.

  7. Electrical drawing - Wikipedia

    en.wikipedia.org/wiki/Electrical_drawing

    An electrical drawing is a type of technical drawing that shows information about power, lighting, and communication for an engineering or architectural project.Any electrical working drawing consists of "lines, symbols, dimensions, and notations to accurately convey an engineering's design to the workers, who install the electrical system on the job".

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