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Household Fire Warning System Units
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Available format(s): Hardcopy
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Published date: 15-05-2015
Publisher: Underwriters Laboratories
FOREWORDINTRODUCTION1. Scope2. General3. Glossary4. Instructions and Drawings4a. Compatibility InformationCONSTRUCTION5. General6. Frame and Enclosure7. Electric Shock8. Ventilating Openings9. Metal Covers and Doors10. Glass Panels11. Corrosion Protection12. Insulating Material13. Mounting of Electrical Components14. Operating Mechanisms15. Current-Carrying Parts16. Servicing ProtectionFIELD-WIRING CONNECTIONS17. Primary Power Supply18. Secondary Power Supply19. BatteriesINSTALLATION WIRING CONNECTIONS20. General21. Field-Wiring Terminals22. Field-Wiring Leads23. Power-Supply Cord24. Strain Relief25. Internal WiringGROUNDING26. Equipment Grounding27. Polarity IdentificationCOMPONENTS28. End-of-Line Devices29. Printed Wiring Boards30. Bushings31. Coil Windings32. Switches33. Lampholders and Lamps34. Protective DevicesSPACINGS35. GeneralPERFORMANCE36. General36A. Alarm Verification Feature (Optional)37. Normal Operation Test37A. Two-Wire Smoke Detector Compatibility Tests38. Electrical Supervision Test39. Undervoltage Operation Test40. Overvoltage Operation Test41. Voltage and Current Measurements42. Jarring Test43. Temperature Test44. Overload Test45. Endurance Test46. Variable Ambient Temperature Test47. Humidity Test48. Leakage Current Test49. Electric Shock Current Test50. Transient Test51. Dielectric Voltage-Withstand Test52. Component Failure Test53. Audibility Test54. Abnormal Operation TestSHORT RANGE RADIO FREQUENCY DEVICES55. General56. Reference Level Determination57. Interference Immunity58. Frequency Selectivity59. Time to Report Alarm60. Inoperative Transmitter Reporting61. Clash62. Error (Falsing) Rate63. Throughput Rate64. Maximum Duration of Transmission65. Battery Status Indication66. Transmitter Stability Tests67. Transmitter Accelerated Aging Test68. Installation Instructions and User ManualMANUFACTURING AND PRODUCTION TESTS69. Production-Line Dielectric Voltage-Withstand Test70. Production-Line Grounding-Continuity Test for High- Voltage, Cord-Connected Products70A. Interference ProtectionINSTALLATION DRAWING71. GeneralINSTRUCTIONS72. GeneralMARKINGS73. GeneralAPPENDIX AStandards 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.
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