Mains electricity

Mains electricity is a type of electric power supply. In American English it is also called utility power, power grid, domestic power, and wall power. It is the form of electrical power that is delivered to homes and businesses through electrical infrastructure in many parts of the world. People use this electricity to power everyday items, including televisions and lamps, by plugging them into a wall outlet.

Mains Electricity Media

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  World map showing the percentage of the population in each country with access to mains electricity (as of 2017), a measure of the extent of electrification:*     80–100%*     60–80%*     40–60%*     20–40%*     0–20%

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  A table lamp connected to a wall socket (the mains)

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  World map of mains voltages and frequencies, simplified to country level

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  A 50 Hz ±5 Hz vibrating-reed mains frequency meter for 220 V