UL 363:11ED 2011-08-12

FOREWORD
INTRODUCTION
1. Scope
2. Units of Measurement
3. Components
4. References
CONSTRUCTION
5. General
6. Bases - Insulating Material
7. Current-Carrying Parts
8. Hinges and Blades
9. Wiring Terminals
10. Fuses and Fuseholders
11. Spacings
PERFORMANCE
12. General
13. Temperature Test
14. Overload Test
15. Dielectric Voltage-Withstand Test
PERFORMANCE - 10 kA MAXIMUM AVAILABLE FAULT CURRENT
CIRCUITS
16. General
17. Short-Circuit Withstand Test
18. Low-Level Dielectric Voltage-Withstand Test
19. Closing Test
20. Low-Level Dielectric Voltage-Withstand Test (Repeated)
21. Test Calibration
PERFORMANCE - HIGHER THAN 10 kA AVAILABLE FAULT CURRENT
CIRCUITS
22. General
23. Close-Open Test
24. Dielectric Voltage Withstand Test
25. Short-Circuit Withstand Test
26. Low-Level Dielectric Voltage-Withstand Test
27. Closing Test
28. Low-Level Dielectric Voltage-Withstand Test (Repeated)
29. Galvanometers
30. Circuit Measurement Verification
31. Calibration of Test Circuit
RATINGS
32. Voltage
33. Current
34. Withstand
MARKINGS
35. Content

This revision of ANSI/UL 363 dated June 10, 2020 is being issued to update the title page to reflect the most recent designation as a Reaffirmed American National Standard (ANS).

These requirements cover open knife switches for use in accordance with the National Electrical Code, ANSI/NFPA-70.