1、UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULUNDERWRITERS LABORATORIES INC. CERTIFICATION REQUIREMENT DECISIONThis Certification Requirement Decision is prepared and published by Underwriters Laboratories Inc.(UL). It is normative for the a
2、pplicable UL Product Certification Program(s); however, it is currently notpart of the UL Standard(s) referenced below.Product Category (CCN): UTGT,UTGT2, UTHAStandard Number: UL 217Standard Title: Standard for Smoke AlarmsEdition Date: October 30, 2015Edition Number: 8Section / Paragraph Reference:
3、 37.6.1.1 (NEW), 37.6.2, 37.6.3Subject: To permit the use of a supervised battery (or batteries) as the primary (andsole) power source for smoke alarm accessories.DECISION:37.6 Accessories37.6.1 Unless specifically indicated otherwise, the applicable performance requirements of this standardshall al
4、so apply to any remote accessories with which it is to be employed - for example, but not limitedto:a) Normal Operation Test, Section 38;b) Circuit Measurement Test, Section 56;c) Overvoltage and Undervoltage Tests, Section 57;d) Temperature Test, Section 58;e) Jarring Test, Section 61;f) Overload T
5、ests, Section 69;g) Endurance Test, Section 70;h) Variable ambient temperature and humidity test, 88.3;i) Leakage Current Test, Section 73;j) Transient Tests, Section 66;k) Dielectric Voltage-Withstand Test, Section 77;l) Tests on Polymeric Materials, Section 79;m) Drop Test, Section 83 (portable ap
6、pliance only);n) Audibility Test, Section 84.n) Audibility Test, Section 84.UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM UL37.6.1.1 The primary power supply of optional accessories shall be either a utility supply (commercial lightand power s
7、ource) or a supervised integral battery or batteries.37.6.2 Optional accessories used to assist persons with disabilities by enhancing the low frequency orsignaling a tactile appliance shall include a source of secondary power equal to that of the smoke and heatalarms that the unit is compatible wit
8、h. If the accessory is powered solely from a primary battery, theprimary battery shall comply with the primary battery requirements contained in this standard (includingSections 15, 41.5, and 84.3).37.6.3 Detached accessories utilizing a low frequency sound or actuating tactile appliances for Single
9、 andMultiple Units shall provide a low frequency sound or a visual indication a low frequency audible troublesignal or visual trouble indication on the portion of the accessory intended to be visible to the user afterinstallation in the event of the following:a) Loss of primary power (not required f
10、or accessories utilizing primary batteries as the solepower supply),b) Low energy of the secondary power source (not required for accessories utilizing primarybatteries as the sole power supply),c) The accessory unit cannot perform its intended function of enhancing the Smoke or Heatalarms primary l
11、ow frequency audible sound or operate the tactile appliance, ord) Low energy of the primary battery power source,RATIONALE FOR DECISION:The current requirements in UL 217 explicitly permit smoke alarms to employ supervised battery poweras the primary and sole source of power. Since alarms themselves
12、 can be powered by batteries, it islogical to permit smoke alarm accessories to be powered by a supervised, primary battery(ies) as well.Copyright 2016 Underwriters Laboratories Inc.UL, in performing its functions in accordance with its objectives, does not guarantee or warrant thecorrectness of Cer
13、tification Requirement Decisions it may issue or that they will be recognized or adoptedby anyone. Certification Requirement Decisions are the opinion of Underwriters Laboratories Inc. inpractically applying the requirements of the standard. They do not represent formal interpretations of thestandar
14、d under American National Standards Institute (ANSI) processes. UL shall not be responsible toanyone for the use of or reliance upon Certification Requirement Decisions by anyone. UL shall not incurany obligation or liability for damages, including consequential damages, arising out of or in connect
15、ionwith the use or reliance upon Certification Requirement Decisions. The electronic version of theCertification Requirement Decision is the current version and previously printed copies may be outdated.This document is published as a service to ULs certification customersSTANDARD NUMBER: UL 217 -2-
