Izindawo lapho amadivayisi amaningi kagesi/elekthronikhi esebenza khona ngesikhathi esisodwa zingase zidale izinkinga ngenxa yokukhanya komsindo kagesi noma ngenxa yokuphazamiseka kwe-electromagnetic (EMI). Umsindo kagesi ungathinta kakhulu ukusebenza kahle kwayo yonke imishini.