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  2. Stab-Lok - Wikipedia

    en.wikipedia.org/wiki/Stab-Lok

    Interior of a Federal Pacific Electric Stab-Lok circuit breaker panel. Stab-Lok is a brand name of electrical circuit breakers that were manufactured primarily by Federal Pacific Electric from 1950 to 1980.

  3. Federal Pacific Electric Corporation - Wikipedia

    en.wikipedia.org/wiki/Federal_Pacific_Electric...

    1949: Federal Electric Company patents a new type of circuit breaker panel. [14] 1950: Registers STAB-LOK trademark in the United States. [13] 1951: Begins marketing the Stab-Lok line of panels and breakers under the Federal Electric Products (FEP) name.

  4. Cost of electricity by source - Wikipedia

    en.wikipedia.org/wiki/Cost_of_electricity_by_source

    The levelized cost of electricity (LCOE) is a metric that attempts to compare the costs of different methods of electricity generation consistently. Though LCOE is often presented as the minimum constant price at which electricity must be sold to break even over the lifetime of the project, such a cost analysis requires assumptions about the value of various non-financial costs (environmental ...

  5. Circuit breaker - Wikipedia

    en.wikipedia.org/wiki/Circuit_breaker

    Stab-Lok—a popular type of circuit breaker manufactured from 1950 to 1990, now widely deemed unsafe Sulfur hexafluoride circuit breaker Zener diode —a diode that allows current to flow in reverse direction (to break at certain level of voltage, an opposite effect)

  6. Replacement value - Wikipedia

    en.wikipedia.org/wiki/Replacement_value

    The term replacement cost or replacement value refers to the amount that an entity would have to pay to replace an asset at the present time, according to its current worth. [1] In the insurance industry, "replacement cost" or "replacement cost value" is one of several methods of determining the value of an insured item. Replacement cost is the ...

  7. Knob-and-tube wiring - Wikipedia

    en.wikipedia.org/wiki/Knob-and-tube_wiring

    The conduit methods were known to be of better quality, but cost significantly more than K&T. [2] In 1909, flexible armored cable cost about twice as much as K&T, and conduit cost about three times the price of K&T. [6] Knob and tube wiring persisted since it allowed owners to wire a building for electricity at lower cost.