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  2. Harbor Freight Tools - Wikipedia

    en.wikipedia.org/wiki/Harbor_Freight_Tools

    Harbor Freight Tools, commonly referred to as Harbor Freight, is an American privately held tool and equipment retailer, headquartered in Calabasas, California. It operates a chain of retail stores, as well as an e-commerce business. The company employs over 28,000 people in the United States, [5] and has over 1,500 locations in 48 states. [6] [7]

  3. Utility submeter - Wikipedia

    en.wikipedia.org/wiki/Utility_submeter

    A typical residential water meter A typical residential digital electric submeter Before submetering, many landlords either included the utility cost in the bulk price of the rent or lease , or divided the utility usage among the tenants in some way such as equally, by square footage via allocation methods often called RUBS (Ratio Utility ...

  4. Electricity meter - Wikipedia

    en.wikipedia.org/wiki/Electricity_meter

    An electricity meter, electric meter, electrical meter, energy meter, or kilowatt-hour meter is a device that measures the amount of electric energy consumed by a residence, a business, or an electrically powered device over a time interval. Electric utilities use electric meters installed at customers' premises for billing and monitoring purposes.

  5. 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.

  6. Home wiring - Wikipedia

    en.wikipedia.org/wiki/Home_wiring

    For electric power supply, a cable is run either overhead or underground into a distribution board in the home. A distribution board, or circuit breaker panel, is typically a metal box mounted on a wall of the home. In many new homes, the electrical switchboard is located on the outside of the external wall of the garage.

  7. Current clamp - Wikipedia

    en.wikipedia.org/wiki/Current_clamp

    An electrical meter with integral AC current clamp is known as a clamp meter, clamp-on ammeter, tong tester, or colloquially as an amp clamp. A clamp meter measures the vector sum of the currents flowing in all the conductors passing through the probe, which depends on the phase relationship of the currents. Only one conductor is normally ...

  8. Smart meter - Wikipedia

    en.wikipedia.org/wiki/Smart_meter

    The term smart meter often refers to an electricity meter, but it also may mean a device measuring natural gas, water or district heating consumption. [1] [2] More generally, a smart meter is an electronic device that records information such as consumption of electric energy, voltage levels, current, and power factor.

  9. Electrical wiring - Wikipedia

    en.wikipedia.org/wiki/Electrical_wiring

    Topside of firestop with penetrants consisting of electrical conduit on the left and a bus duct on the right. The firestop consists of firestop mortar on top and rockwool on the bottom, for a two-hour fire-resistance rating. For very high currents in electrical apparatus, and for high currents distributed through a building, bus bars can be used.

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