Insiba ntoya ni insinga z'amashanyarazi zagenewe gukorera muri voltage munsi ya 1000 volt, mubisanzwe munsi ya volt ya 1000, mubisanzwe munsi ya 1.000 ya volt dC. Iyi migozi ikoreshwa muburyo bwa sisitemu isaba imbaraga nke kandi zikunze gukoreshwa mubitumanaho, kwanduza amakuru, hamwe numutekano utandukanye na social. Ibyiza by'imivubibu mike voltage irimo umutekano wongerewe umutekano, yagabanijwe ibyago byo guhangayikishwa n'amashanyarazi, n'imbaraga.