- Visual inspection (completeness of equipment and accessories,
fastening of individual cubicles, etc.)
- Construction check
- Conformity of assembly with drawings and instructions
- Insulation resistance test (high side 5,000 V.DC., low side 500V.DC.)
- Insulation power factor of loss tangent test (10 KV.AC.)
- Secondary winding resistance measurement
- Ratio test
- Polarity test