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  2. Electricity meter - Wikipedia

    en.wikipedia.org/wiki/Electricity_meter

    North American domestic analog (Ferraris disk) electricity meter. Electricity meter with transparent plastic case (Israel) 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.

  3. Transmission tower - Wikipedia

    en.wikipedia.org/wiki/Transmission_tower

    Transmission tower in Toronto, ON Single-circuit three-phase transmission line Transmission towers on a hill field. Three-phase electric power systems are used for high voltage (66- or 69-kV and above) and extra-high voltage (110- or 115-kV and above; most often 138- or 230-kV and above in contemporary systems) AC transmission lines.

  4. Electrical room - Wikipedia

    en.wikipedia.org/wiki/Electrical_room

    An electrical room is a technical room or space in a building dedicated to electrical equipment. Its size is usually proportional to the size of the building; large buildings may have a main electrical room and subsidiary electrical rooms. Electrical equipment may be for power distribution equipment, or for communications equipment. [1]

  5. Utility pole - Wikipedia

    en.wikipedia.org/wiki/Utility_pole

    Utility pole supporting wires for electrical power ... however, reach heights of at least 120 feet (40 meters). They are typically spaced about 125 ft (40 m) apart in ...

  6. 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.

  7. Clearance (civil engineering) - Wikipedia

    en.wikipedia.org/wiki/Clearance_(civil_engineering)

    For example, India has horizontal clearance of 10 metres (32 ft 10 in) for electrical and telecommunication poles, and 30 centimetres (12 in) for street light poles of roads with curbs. For roads without curbs, the clearance for that is 1.5 metres (4 ft 11 in) given that the minimum clearance from the center line of the roads is 5 metres (16 ft ...

  8. Junction box - Wikipedia

    en.wikipedia.org/wiki/Junction_box

    A small metal, plastic or fiberglass junction box may form part of an electrical conduit or thermoplastic-sheathed cable (TPS) wiring system in a building. If designed for surface mounting, it is used mostly in ceilings, concrete or concealed behind an access panel—particularly in domestic or commercial buildings [2].

  9. Electric power distribution - Wikipedia

    en.wikipedia.org/wiki/Electric_power_distribution

    Electric power distribution is the final stage in the delivery of electricity. Electricity is carried from the transmission system to individual consumers. Distribution substations connect to the transmission system and lower the transmission voltage to medium voltage ranging between 2 kV and 33 kV with the use of transformers . [ 1 ]

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