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about home electrical supply
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The majority of homes are supplied with 230 volts (V) single-phase with an intensity of 40 amperes (A). The maximum capacity is thus: 230 V x 40 A = 9 200 volt-amperes (9 200 VA) or 9.2 kVA.
The formula used to determine the capacity for a three-phase connection of 230 V or 400 V is identical, i.e.: √3 x U x I.
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