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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

   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. This means that, for the supply of the same amount of power, the current is halved.

4. Mains electricity by country - Wikipedia

   en.wikipedia.org/wiki/Mains_electricity_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. (For industrial machinery, see industrial and multiphase power plugs and sockets.) Some ...

5. Power supply - Wikipedia

   en.wikipedia.org/wiki/Power_supply

   A power supply is an electrical device that supplies electric power to an electrical load. The main purpose of a power supply is to convert electric current from a source to the correct voltage, current, and frequency to power the load. As a result, power supplies are sometimes referred to as electric power converters. Some power supplies are ...

6. Voltage converter - Wikipedia

   en.wikipedia.org/wiki/Voltage_converter

   A transformer would be used for higher power. Transformers do not change the frequency of electricity; in many regions with 100–120 V, electricity is supplied at 60 Hz, and 210–240 V regions tend to use 50 Hz. This may affect operation of devices which depend on mains frequency (some audio turntables and mains-only electric clocks, etc ...

7. NEMA connector - Wikipedia

   en.wikipedia.org/wiki/NEMA_connector

   Damaged power cords of portable air conditioners have caused many electrical fires, and about 350 deaths per year. [ citation needed ] To combat this, the 2017 National Electrical Code (NEC) [ 40 ] requires each portable air conditioner sold in the United States to have either a leakage current detector interrupter (LCDI) or a ground-fault ...