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  2. Single-phase electric power - Wikipedia

    en.wikipedia.org/wiki/Single-phase_electric_power

    Standard frequencies of single-phase power systems are either 50 or 60 Hz. Special single-phase traction power networks may operate at 16.67 Hz or other frequencies to power electric railways. [ 1 ]

  3. Mains electricity - Wikipedia

    en.wikipedia.org/wiki/Mains_electricity

    In much of the world, a voltage (nominally) of 230 volts and frequency of 50 Hz is used. In North America, the most common combination is 120 V and a frequency of 60 Hz. Other combinations exist, for example, 230 V at 60 Hz. Travellers' portable appliances may be inoperative or damaged by foreign electrical supplies.

  4. Utility frequency - Wikipedia

    en.wikipedia.org/wiki/Utility_frequency

    The waveform of 230 V and 50 Hz compared with 120 V and 60 Hz. The utility frequency, (power) line frequency (American English) or mains frequency (British English) is the nominal frequency of the oscillations of alternating current (AC) in a wide area synchronous grid transmitted from a power station to the end-user.

  5. Mains electricity by country - Wikipedia

    en.wikipedia.org/wiki/Mains_electricity_by_country

    60 Hz Andorra: C, F 230 V 400 V 50 Hz Angola: C, F 220 V 380 V 50 Hz Anguilla: A, B 110 V 120/208 V 127/220 V 240/415 V 60 Hz Antigua and Barbuda: A, B 230 V 400 V 60 Hz Argentina: C, I IRAM 2073 220 V [10] 380 V 50 Hz Line and neutral reversed compared to Chinese and Australian/NZ type I. Armenia: C, F 230 V 400 V 50 Hz Aruba

  6. Split-phase electric power - Wikipedia

    en.wikipedia.org/wiki/Split-phase_electric_power

    Split-phase distribution is used on Amtrak's 60 Hz traction power system in the Northeast Corridor between New York and Boston. Two separate wires are run along the track, the contact wire for the locomotive and an electrically separate feeder wire.

  7. List of railway electrification systems - Wikipedia

    en.wikipedia.org/wiki/List_of_railway...

    Converted in 1978 from Pennsylvania Railroad 11 kV 25 Hz system to the 12.5 kV 25 Hz on the Rahway-Matawan ROW and 12.5 kV 60 Hz electrification extended to Long Branch in 1988. The Matawan-Long Branch voltage converted from 12.5 kV 60 Hz system to the 25 kV 60 Hz in 2002. New Haven to Boston: Northeast Corridor (NEC), Amtrak

  8. High voltage - Wikipedia

    en.wikipedia.org/wiki/High_voltage

    Specifically, ANSI C84.1-2020 defines high voltage as 115 kV to 230 kV, extra-high voltage as 345 kV to 765 kV, and ultra-high voltage as 1,100 kV. [2] British Standard BS 7671 :2008 defines high voltage as any voltage difference between conductors that is higher than 1000 VAC or 1500 V ripple-free DC, or any voltage difference between a ...

  9. IEC 60038 - Wikipedia

    en.wikipedia.org/wiki/IEC_60038

    Where two voltages are given below separated by "/", the first is the root-mean-square voltage between a phase and the neutral connector, whereas the second is the corresponding root-mean-square voltage between two phases (exception: the category shown below called "One Phase", where 240 V is the root-mean-square voltage between the two legs of a split phase).