UL 325:7ED 2017-05-19

FOREWORD
INTRODUCTION
1. Scope
2. Terminology
3. Glossary
4. Components
5. Units of Measurement
6. References
CONSTRUCTION
7. General
8. Frame and Enclosure
9. Accessibility of Uninsulated Live Parts and
     film-coated Wire
10. Mechanical Assembly
11. Protection Against Corrosion
12. Power-Supply Connections
13. Live Parts
14. Internal Wiring
15. Electrical Insulation
16. Motors
17. Overload Protection
18. Switches and Controls
19. Heating Elements
20. Lampholders
21. Receptacles
22. Capacitors
23. Spacings
24. Grounding
PROTECTION AGAINST RISK OF INJURY TO PERSONS
25. General
26. Pressure Vessels and Parts Subject to Pressures
27. Moving Parts
28. Surface Temperatures
29. Pedestrian Doors and Door Operators
30. Industrial Doors and Door Operators and Commercial
     Vehicular Door Operators
31. Residential Garage Doors and Door Operators
EXTERNAL ENTRAPMENT PROTECTION DEVICES
32. All Devices
33. Photoelectric Sensors
34. Edge Sensors
35. Instructions for Residential Garage Doors and Door
     Operators
PERFORMANCE
36. Leakage Current Test
37. Leakage Current Test Following Humidity Conditioning
38. Starting Current Test
39. Input Current Test
40. Normal Temperature Test
41. Dielectric Voltage-Withstand Test
42. Insulation Resistance Test and Dielectric
     Voltage-Withstand Test (Repeated)
43. Metallic-Coating-Thickness Test
44. Accelerated Aging Test of Gaskets
45. Tests on Switches and Controls
46. Strain-Relief Test
47. Puncture Resistance Test
48. Permanence of Marking Tests
MANUFACTURING AND PRODUCTION TESTS
49. Dielectric Voltage-Withstand Test
50. Grounding Continuity Test
INSTRUCTION MANUAL
51. Details
52. Field Installed Labels
MARKING
53. Details
APPENDIX A
Standards for Components

This revision of ANSI/CAN/UL 325 dated February 28, 2020 includes the following changes in requirements: – Clarification of Section 34 – Alternate Leakage Current Measurement Method using UL 101; 42.1.1, Section 43, Table A.1 – Additional Warning Placards for Horizontally Moving Commercial Door Operators; 62.2.1, Figure 62.1 – Tubular Drive Markings - Requirement for Location of Markings; 63.1.4, 63.3.12 – Proposed Change to 60.8.4 b) Regarding Pedestrian Access; 60.8.4

These requirements cover electric operators for doors, draperies, gates, louvers, windows, exterior awnings and other opening and closing appliances rated 600 V or less to be employed in ordinary locations in accordance with the National Electrical Code, NFPA 70 and the Canadian Electrical Code, Part I, C22.1.