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  2. Mains electricity by country - Wikipedia

    en.wikipedia.org/wiki/Mains_electricity_by_country

    Frequency and voltage supplied to most premises by country. Mains electricity by country includes a list of countries and territories, with the plugs, voltages and frequencies they commonly use for providing electrical power to low voltage appliances, equipment, and lighting typically found in homes and offices.

  3. Fact check: Does setting my thermostat at 68 degrees ... - AOL

    www.aol.com/fact-check-does-setting-thermostat...

    According to the U.S. Department of Energy, people can save up to 10% per year on heating and cooling expenses by dialing their thermostat back eight hours a day from its normal setting, between 7 ...

  4. Mains electricity - Wikipedia

    en.wikipedia.org/wiki/Mains_electricity

    AC circuits adopted the same form during the war of the currents, allowing lamps to be run at around 110 V and major appliances to be connected to 220 V. Nominal voltages gradually crept upward to 112 V and 115 V, or even 117 V. [citation needed] After World War II the standard voltage in the U.S. became 117 V, but many areas lagged behind even ...

  5. 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.

  6. Water heating - Wikipedia

    en.wikipedia.org/wiki/Water_heating

    Tank thermostats are not a reliable guide to the internal temperature of the tank. Gas-fired water tanks may have no temperature calibration shown. An electric thermostat shows the temperature at the elevation of the thermostat, but water lower in the tank can be considerably cooler. An outlet thermometer is a better indication of water ...

  7. Split-phase electric power - Wikipedia

    en.wikipedia.org/wiki/Split-phase_electric_power

    However, 130/225 V, three-wire, two-phase electric power discontinued systems called B1 are used to run old installations in small groups of houses when only two of the three-phase high-voltage conductors are used. The phase shift in Europe is 120°, as is the case with three-phase current.

  8. Good Building Design and Construction in the Philippines

    en.wikipedia.org/wiki/Good_Building_Design_and...

    As the Philippines lies within the Pacific Ring of Fire where earthquakes and eruptions are more likely to occur as well as being at the edge of the Pacific Ocean where violent storms are likely to develop, proper construction philosophies and strategic location must be assessed so it can resist external forces.

  9. Energy in the Philippines - Wikipedia

    en.wikipedia.org/wiki/Energy_in_the_Philippines

    The Philippines also generates a significant amount of electrical energy from oil, albeit to a lesser degree than compared to coal and natural gas. In 2013, the Philippines sourced 5.97% of its energy from oil-based sources. [7] As of March 2016, there were a total of 212 gas and diesel-powered facilities in the Philippines.

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