Mains electricity
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Mains electricity, utility power, grid power, domestic power, wall power, household current, or, in some parts of Canada, hydro, is a general-purpose alternating current electric power supply. It is t
A table lamp connected to a wall socket (the mains)
A 50 Hz ±5 Hz vibrating-reed mains frequency meter for 220 V
Mains electricity by country
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This is an overview of mains electricity by country, with a focus on listing the regional differences in plug and socket types, nominal supply voltages, and AC supply frequencies commonly used for del
Mains electricity
…Electricity meter Mains electricity by country Maximum demand indicator…
Type A (NEMA 1–15, US 2 pin); max 15 A at 125 V, ungrounded
Type B (NEMA 5–15, US 3 pin); max 15 A at 125 V
Type C (CEE 7/16, Europlug); max 2.5 A, ungrounded
CEE 7/17 2-pin plug; max 16 A, ungrounded