ISO 17020 is an international standard that defines requirements for the operation of various types of inspection bodies. Certification ensures that inspection bodies operate following the highest standards of quality, impartiality, consistency, and reliability. The list of certification measurements is described below:
- Inspection of low-voltage electrical installations (up to 1000 V)
- Lightning Rod Installations and Lightning Protection Systems
- Control of Low-Voltage Distribution Systems
- Power Quality
- Grounding Systems of Power Plants with a Rated Voltage Above 1000 V
- Transformer Stations, Plants, and Power Networks – Relay Protection
- Transformer Stations, Plants, and Power Networks – Power Transformers and Reactors
- Transformer Stations, Plants, and Power Networks – Transient Phenomena
- Transformer Stations, Plants, and Power Networks – Rotating Machines
- Transformer Stations, Plants, and Power Networks – Measuring Transformers
- Transformer Stations, Plants, and Power Networks – Circuit Breakers, Disconnectors, and Switches
- Power Cables and Cable Accessories
- Thermographic Inspection
