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  2. Mains electricity - Wikipedia

    en.wikipedia.org/wiki/Mains_electricity

    As in the UK, 240 V is within the allowable limits and "240 volt" is a synonym for mains in Australian and British English. In the United States [ 12 ] [ 13 ] and Canada, [ 14 ] national standards specify that the nominal voltage at the source should be 120 V and allow a range of 114 V to 126 V ( RMS ) (−5% to +5%).

  3. Ground and neutral - Wikipedia

    en.wikipedia.org/wiki/Ground_and_neutral

    There are special provisions in the NEC for so-called technical equipment, mainly professional grade audio and video equipment supplied by so-called "balanced" 120 volt circuits. The center tap of a transformer is connected to ground, and the equipment is supplied by two line wires each 60 volts to ground (and 120 volts between line conductors).

  4. Mains electricity by country - Wikipedia

    en.wikipedia.org/wiki/Mains_electricity_by_country

    For example, in North America, a unique split-phase system is used to supply to most premises that works by center tapping a 240 volt transformer. This system is able to concurrently provide 240 volts and 120 volts. Consequently, this allows homeowners to wire up both 240 V and 120 V circuits as they wish (as regulated by local building codes).

  5. Pump - Wikipedia

    en.wikipedia.org/wiki/Pump

    A small, electrically powered pump A large, electrically driven pump for waterworks near the Hengsteysee, Germany. A pump is a device that moves fluids (liquids or gases), or sometimes slurries, [1] by mechanical action, typically converted from electrical energy into hydraulic or pneumatic energy.

  6. Split-phase electric power - Wikipedia

    en.wikipedia.org/wiki/Split-phase_electric_power

    Single-pole circuit breakers feed 120 V circuits from one of the 120 V buses within the panel, or two-pole circuit breakers feed 240-volt circuits from both buses. 120 V circuits are the most common, and used to power NEMA 1 and NEMA 5 outlets, and most residential and light commercial direct-wired lighting circuits.

  7. Bunnings - Wikipedia

    en.wikipedia.org/wiki/Bunnings

    Bunnings Group Limited, trading as Bunnings Warehouse or Bunnings, is an Australian household hardware and garden centre chain. [2] The chain has been owned by ...