isolatsioonidefekt
defect in the insulation of an electrical installation or of an equipment which can create a resistive path to earth, elektripaigaldise või seadme isolatsioonidefekt, mis võib tekitada maandusega takistusliku kontuuri, defect in the insulation of an electric installation or equipment that can result either in an abnormal current through this insulation or in a disruptive discharge
