UL 985:6ED 2015-05-15

FOREWORD
INTRODUCTION
1. Scope
2. General
3. Glossary
4. Instructions and Drawings
4a. Compatibility Information
CONSTRUCTION
5. General
6. Frame and Enclosure
7. Electric Shock
8. Ventilating Openings
9. Metal Covers and Doors
10. Glass Panels
11. Corrosion Protection
12. Insulating Material
13. Mounting of Electrical Components
14. Operating Mechanisms
15. Current-Carrying Parts
16. Servicing Protection
FIELD-WIRING CONNECTIONS
17. Primary Power Supply
18. Secondary Power Supply
19. Batteries
INSTALLATION WIRING CONNECTIONS
20. General
21. Field-Wiring Terminals
22. Field-Wiring Leads
23. Power-Supply Cord
24. Strain Relief
25. Internal Wiring
GROUNDING
26. Equipment Grounding
27. Polarity Identification
COMPONENTS
28. End-of-Line Devices
29. Printed Wiring Boards
30. Bushings
31. Coil Windings
32. Switches
33. Lampholders and Lamps
34. Protective Devices
SPACINGS
35. General
PERFORMANCE
36. General
36A. Alarm Verification Feature (Optional)
37. Normal Operation Test
37A. Two-Wire Smoke Detector Compatibility Tests
38. Electrical Supervision Test
39. Undervoltage Operation Test
40. Overvoltage Operation Test
41. Voltage and Current Measurements
42. Jarring Test
43. Temperature Test
44. Overload Test
45. Endurance Test
46. Variable Ambient Temperature Test
47. Humidity Test
48. Leakage Current Test
49. Electric Shock Current Test
50. Transient Test
51. Dielectric Voltage-Withstand Test
52. Component Failure Test
53. Audibility Test
54. Abnormal Operation Test
SHORT RANGE RADIO FREQUENCY DEVICES
55. General
56. Reference Level Determination
57. Interference Immunity
58. Frequency Selectivity
59. Time to Report Alarm
60. Inoperative Transmitter Reporting
61. Clash
62. Error (Falsing) Rate
63. Throughput Rate
64. Maximum Duration of Transmission
65. Battery Status Indication
66. Transmitter Stability Tests
67. Transmitter Accelerated Aging Test
68. Installation Instructions and User Manual
MANUFACTURING AND PRODUCTION TESTS
69. Production-Line Dielectric Voltage-Withstand Test
70. Production-Line Grounding-Continuity Test for High-
     Voltage, Cord-Connected Products
70A. Interference Protection
INSTALLATION DRAWING
71. General
INSTRUCTIONS
72. General
MARKINGS
73. General
APPENDIX A
Standards for Components

These revisions of ANSI/UL 985 include the following changes in requirments: Alarm Verification Labeling Revision to Charging Current Test

These requirements cover household fire warning system control units intended to be installed in accordance with the National Fire Alarm Code, ANSI/NFPA 72, and the National Electrical Code, ANSI/NFPA 70.