arvesti sisemised elektrilised ühendused, mõõteelemendi osa ja elektrostaatiliste arvestite puhul toitevoolu osa, mis on varustatud vooluahela pingega, millega arvesti on ühendatud, internal connections of the meter, part of the measuring element and, in the case of static meters, part of the power supply, supplied with the voltage of the circuit to which the meter is connected, circuit of a measuring instrument to which is applied the voltage of the circuit to which the measuring instrument is connected