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  2. Power conditioner - Wikipedia

    en.wikipedia.org/wiki/Power_conditioner

    A power conditioner (also known as a line conditioner or power line conditioner) is a device intended to improve the quality of the power that is delivered to electrical load equipment. The term most often refers to a device that acts in one or more ways to deliver a voltage of the proper level and characteristics to enable load equipment to ...

  3. Split-phase electric power - Wikipedia

    en.wikipedia.org/wiki/Split-phase_electric_power

    The line to neutral voltage is half the line-to-line voltage. Lighting and small appliances may be connected between a line wire and the neutral. Higher-power appliances, such as cooking equipment, space heating, water heaters, clothes dryers, air conditioners and electric vehicle charging equipment, are connected to the two line conductors.

  4. Mains hum - Wikipedia

    en.wikipedia.org/wiki/Mains_hum

    Mains hum, electric hum, cycle hum, or power line hum is a sound associated with alternating current which is twice the frequency of the mains electricity. The fundamental frequency of this sound is usually double that of fundamental 50/60 Hz , i.e., 100/120 Hz, depending on the local power-line frequency .

  5. Mains electricity by country - Wikipedia

    en.wikipedia.org/wiki/Mains_electricity_by_country

    Type L is the national official standard; C and F are compatible. Schuko or type F plugs are often used for high power appliances. China: A, C, I GB/T 1002 GB/T 2099 220 V 380 V 50 Hz Type C was removed from GB/T 1002-2021, but A/C hybrid sockets still appear in old installations. Line [Live?] /neutral reversed compared to Argentinian type I.

  6. Electrical wiring in North America - Wikipedia

    en.wikipedia.org/wiki/Electrical_wiring_in_North...

    Common 3 phase configurations within a building are 208v/120 wye, 120/240 center tapped delta and 480v/277v wye. Lighting is usually fed by 277 V or 120v. Countries such as Mexico may adopt the NFPA standard as their national electrical code, with local amendments similar to those in United States jurisdictions.

  7. 2 key inflation prints loom ahead of Fed rate cut decision ...

    www.aol.com/finance/2-key-inflation-prints-loom...

    The final CPI release before the Fed's meeting is expected to be released at 8:30 a.m. ET on Wednesday. Wall Street economists expect headline inflation rose 2.7% annually in November, an increase ...

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