SDAA213 June   2026 ISO1042 , ISO1050 , ISO1410 , ISO6440 , ISO6440-Q1 , ISO6441 , ISO6441-Q1 , ISO6442 , ISO6442-Q1 , ISO7740 , ISO7741 , ISO7741-Q1 , ISO7742 , ISO7742-Q1 , ISO7831 , ISO7842

1.   1
2.   Abstract
3.   Trademarks
4. 1Introduction
5. 2Distinguish Different Safety Standards
   1. 2.1 Hierarchical Relationships of Safety Standard Governing Agencies
   2. 2.2 Types of Safety Standards
      1. 2.2.1 System and Equipment Standard
      2. 2.2.2 Component Standards
      3. 2.2.3 Coordination and Support Standards
      4. 2.2.4 The UL 1577 Standard Versus the IEC 60747-17 (VDE 0884-17) Standard
   3. 2.3 Example – Safety Standards in Solar and Energy Storage Systems (ESS)
6. 3Understanding the Role of the Safety Standards in System Applications
   1. 3.1 Purposes of Safety Requirements
   2. 3.2 Levels of Safety Insulation
      1. 3.2.1 Functional Insulation
      2. 3.2.2 Basic Insulation
      3. 3.2.3 Supplementary Insulation
      4. 3.2.4 Double Insulation
      5. 3.2.5 Reinforced Insulation
   3. 3.3 Example – Safety Requirements of 1500V String Inverter
7. 4Summary
8. 5References

Understand Safety Requirement and Isolation Needs for High-Voltage Applications
Part I: Distinguish Different Safety Standards and Understand Basic Principles of Safety Requirements