Rectifiers & Electronics supplies Induced Over Voltage Test Set with Fine Voltage Control. Rectifiers & Electronics is an ISO 9001:2000 certified company. The Induced Over Voltage Test Set with Fine Voltage Control comes under AC Electrical Machines. It is applied to test the power insulation between turns and other points of the transformers. It is ready to use independent unit offering Short Circuit Protection and good After Sales Service. It does not require any foundation. This is provided with Calibrated Voltage and Ampere Meter.