UL SUBJECT 2524A-2018 UL Outline for Investigation In-Building Auxiliary Radio Communication (Issue 1).pdf
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1、UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULJUNE 13, 20181UL 2524AOutline of Investigation for In-Building Auxiliary Radio CommunicationSystemsIssue Number: 1June 13, 2018Summary of TopicsThe First Issue of the Outline of Investigation for
2、 In-Building AuxiliaryRadio Communication Systems, UL 2524A, covers products (e.g. basestation, repeaters, transmitters, receivers, signal boosters, powersupplies, battery charging system components, and dedicated radioconsole) used for in-building auxiliary radio communication systems.ULs Outlines
3、of Investigation are copyrighted by UL LLC. Neither a printed norelectronic copy of an Outline of Investigation should be altered in any way. All ofULs Outlines of Investigation and all copyrights, ownerships, and rights regardingthose Outlines of Investigation shall remain the sole and exclusive pr
4、operty of ULLLC.COPYRIGHT 2018 UL LLCUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULJUNE 13, 2018UL 2524A2No Text on This PageUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULCONTENTSINT
5、RODUCTION1 Scope .62 General 62.1 Components .62.2 Units of measurement .72.3 Undated references .73 Glossary .74 Information Required for Assessment 10CONSTRUCTION5 General .116 Enclosures 126.1 General 126.2 Enclosure covers 136.3 Battery compartments 136.4 Metallic material .136.5 Polymeric mater
6、ials 166.6 Enclosure openings general .176.7 Enclosure top openings 176.8 Enclosure side openings .186.9 Enclosure bottom openings .217 Internal Materials 228 Accessibility of Uninsulated Live Parts, Film-Coated Wire, and Moving Parts 239 Mechanical Assembly 2510 Protection Against Corrosion .2611 B
7、ranch-Circuit Connection .2611.1 General .2611.2 Permanently connected .2612 Other Field-Wiring Connections .2812.1 General .2812.2 Field-wiring compartment 2912.3 Power-limited circuits .2912.4 Field-wiring terminals (general application) 3012.5 Field-wiring terminals (qualified application) 3112.6
8、 Field-wiring leads .3213 Internal Wiring 3313.1 General .3313.2 Splices and connections 3413.3 Connectors and receptacles .3414 Protective Devices 3415 Current-Carrying Parts 3516 Spacings 3517 Insulating Material 3718 Printed-Wiring Boards .3819 End-of-Line Devices .3820 Voltage-Dropping Resistors
9、 3921 Coil Windings 3922 Components .39JUNE 13, 2018 UL 2524A 3UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM UL22.1 Switches 3922.2 Lampholders and lamps .3922.3 Operating mechanisms 4022.4 Across-the-line components .4023 Batteries .4123.1 Re
10、chargeable storage-type used as standby power source 4123.2 Lithium batteries .4124 Grounding for Products Containing High-Voltage Circuits 4125 Servicing Protection .4525.1 General .4525.2 Trained service personnel .4525.3 Antenna terminal discharge assembly .45PROTECTION AGAINST INJURY TO PERSONS2
11、6 General 4627 Sharp Edges .4728 Stability 47PERFORMANCE29 Details .4829.1 Tests and voltages .4829.2 Maximum rated load 49OPERATION TESTS30 General 4931 Operation 5032 Power Supplies .5232.1 General .5232.2 Primary power source .5332.3 Secondary power source(s) 5333 Monitoring for Integrity .5433.1
12、 General .5433.2 Software 5534 Charging Current Test .5734.1 General .5734.2 Discharged battery .5734.3 Charged battery 5834.4 Discharged battery second trial .5835 Electrical Ratings Test 5835.1 General .5835.2 Power input circuits .5835.3 Other external circuits .5936 Jarring Test .5937 Dielectric
13、 Voltage-Withstand Test 6038 Leakage Current Test 6139 Component Temperature Test .6540 Abnormal Operation Tests .6940.1 General .6940.2 Operation .7040.3 Field-wiring circuits .70JUNE 13, 2018UL 2524A4UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION
14、FROM UL40.4 Electronic components 7040.5 Cooling fans and blowers .7140.6 Transformer burnout 7240.7 Communications circuits 7340.8 Evaluation of reduced spacings on printed-wiring boards 7341 Tests on Special Terminal Assemblies 7441.1 General .7441.2 Mechanical secureness test .7441.3 Flexing test
15、 7441.4 Millivolt drop test .7441.5 Temperature test .7542 Strain-Relief Test .7543 Polarity Reversal Test .7544 Power-Limited Circuits Test 7544.1 General .7544.2 Maximum voltage 7844.3 Maximum current .7844.4 VAmax(not inherently limited circuits only) .7945 Variable Voltage Operation Test 7946 Va
16、riable Ambient Temperature and Humidity Tests .8046.1 General .8046.2 Low temperature test .8046.3 High temperature test .8046.4 Humidity test .8147 Transient Tests .8147.1 General .8147.2 Externally-induced supply-line transients 8247.3 Internally-induced transients .8247.4 Input/output (low-voltag
17、e) field-wiring transients 8248 (Reserved) 87MANUFACTURING AND PRODUCTION-LINE TESTS49 Dielectric Voltage-Withstand Test .87MARKINGS AND INSTRUCTIONS50 Marking 8850.1 General .8850.2 Permanence of marking .9151 Installation Wiring Diagram/Instructions 92APPENDIX AStandards for ComponentsA1JUNE 13, 2
18、018 UL 2524A 5UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULINTRODUCTION1 Scope1.1 These requirements cover in-building auxiliary radio communication systems (ARC Systems)products (e.g. base station, repeaters, transmitters, receivers, signa
19、l boosters, power supplies, batterycharging system components, and dedicated radio console).1.2 These systems are intended to be employed in accordance with New York City Fire DepartmentRule 1 RCNY and Rule 3-RCNY 511-01, In-Building Auxiliary Radio Communication Systems.1.3 The products covered by
20、this standard are intended to be used in combination with other productsand devices to form an ARC system. An installation document(s) provided with the product describes thevarious products needed to form an ARC system and their intended use and installation.1.4 These requirements address the safet
21、y, reliability and operational requirements prior to installation.1.5 These requirements do not include determination of compliance with national regulations addressingelectromagnetic radiation and use of radio frequencies. Should products covered by these requirementsbe required to comply with nati
22、onal regulations, a report of verification from the manufacturer is requiredas evidence of such compliance from the following:a) Federal Communications Commission (FCC).1.6 Products intended to be employed in accordance with the Standard for the Installation, Maintenance,and Use of Emergency Service
23、s Communications Systems, NFPA 1221 and the International Fire Codeare covered by UL 2524, Outline of Investigation for In-building 2-Way Emergency Radio CommunicationEnhancement Systems.2 General2.1 Components2.1.1 Except as indicated in 2.1.2, a component of a product covered by this outline shall
24、 comply with therequirements for that component. See Appendix A for a list of standards covering components used in theproducts covered by this outline.2.1.2 A component is not required to comply with a specific requirement that:a) Involves a feature or characteristic not required in the application
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