EntityQ387400· pop 27· linked from 419 articlesmains electricitySign in to savegeneral-purpose alternating-current electric power supply delivered to homes and businessesConnectionsroot mean squareEntitySouth AmericaEntityBerlinEntityNew York CityCityTokyoCityNorth AmericaEntityWorld War IIConceptThomas EdisonEntityCentral AmericaEntityInternational Standard Book NumberEntityHokkaidoEntityHonshuEntityKyushuEntityShikokuEntitytransformerEntityvoltEntityvoltageEntityincandescent light bulbEntityanarchyEntityhertzEntityCategoriesElectric power