UL 603:5ED 2008-02-18

FOREWORD
INTRODUCTION
1. Scope
2. General
3. Glossary
4. Installation and Operating Instructions
CONSTRUCTION
ASSEMBLY
5. Protection of Service Personnel
6. Test Features
7. Enclosures
8. Protection Against Corrosion
FIELD WIRING CONNECTIONS
9. Cord-Connected Products
10. Permanently Connected Products
11. Grounding
INTERNAL WIRING
12. General
13. Wiring Methods
14. Bonding for Grounding
ELECTRICAL COMPONENTS
15. General
16. Insulating Materials
17. Bushings
18. Overcurrent Protection
SPACINGS
19. General
PERFORMANCE
20. General
21. Dielectric Voltage-Withstand Test
22. Overvoltage and Undervoltage Tests
23. Current Overload Test
24. Limited Output Test
25. Standby Power Tests
26. Extended Power Failure Tests
27. Transfer to Standby Test
28. Charging Current Test for Rechargeable Batteries
29. Battery Tests
30. Multiple Purpose Power Supply
31. Input Test
32. Electrical Supervision Test
33. Variable Ambient Temperature Test
34. Humidity Test
35. Electric Shock Current Test
36. Leakage Current Test
37. Endurance Test
38. Jarring Test
39. Vibration Test
40. Temperature Rise Test
41. Abnormal Operation Test
42. Electrical Transient Tests
43. Polymeric Materials Tests
44. Drop Test
45. Cord Grip (Strain Relief) Test
46. Ignition Through Bottom-Panel Openings Tests
47. Mechanical Strength Tests for Enclosures
48. Tests on Special Terminal Assemblies
MANUFACTURING AND PRODUCTION TESTS
49. General
50. Production Line Dielectric Voltage-Withstand Test
51. Production Line Grounding Continuity Test
MARKING
52. General
ACCESSORY EQUIPMENT
53. General
54. Construction
55. Performance (Installation) Test
56. Markings
APPENDIX A
Standards for Components

These requirements cover: a)Power supplies for use with burglar-alarm systems installed in accordance with the Standard for Installation and Classification of Burglar and Holdup Alarm Systems, UL 681; and b)Power supplies used to provide electrical power and standby power for burglar-alarm equipment constructed in accordance with the following: 1)The Standard for Police Station Connected Burglar Alarm Units and Systems, UL 365; 2)The Standard for Local Burglar-Alarm Units and Systems, UL 609; 3)The Standard for Central-Station Alarm Services, UL 827; 4)The Standard for Holdup Alarm Units and Systems, UL 636; 5)The Standard for Intrusion-Detection Units, UL 639; 6)The Standard for Household Burglar-Alarm System Units, UL 1023; 7)The Standard for Antitheft Alarms and Devices, UL 1037; 8)The Standard for Proprietary Burglar Alarm Units and Systems, UL 1076; 9)The Standard for Central-Station Burglar-Alarm Units, UL 1610; 10)The Standard for Digital Alarm Communicator System Units, UL 1635.