ASTM D5425-2013 5890 Standard Guide for Development of Fire Hazard Assessment Standards of Electrotechnical Products《制定电工技术产品着火危险评定标准用的标准指南》.pdf
《ASTM D5425-2013 5890 Standard Guide for Development of Fire Hazard Assessment Standards of Electrotechnical Products《制定电工技术产品着火危险评定标准用的标准指南》.pdf》由会员分享,可在线阅读,更多相关《ASTM D5425-2013 5890 Standard Guide for Development of Fire Hazard Assessment Standards of Electrotechnical Products《制定电工技术产品着火危险评定标准用的标准指南》.pdf(7页珍藏版)》请在麦多课文档分享上搜索。
1、Designation: D5425 13 An American National StandardStandard Guide forDevelopment of Fire Hazard Assessment Standards ofElectrotechnical Products1This standard is issued under the fixed designation D5425; the number immediately following the designation indicates the year oforiginal adoption or, in t
2、he case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. Asuperscript epsilon () indicates an editorial change since the last revision or reapproval.1. Scope*1.1 This guide provides guidance on the development of firehazard assessment standards f
3、or electrotechnical products. Forthe purposes of this guide, products include materials,components, and end-use products.1.2 This guide is directed toward development of standardsthat will provide procedures for assessing fire hazards harmfulto people, animals, or property.1.3 This fire standard can
4、not be used to provide quantitativemeasures.2. Referenced Documents2.1 ASTM Standards:2D1711 Terminology Relating to Electrical InsulationE176 Terminology of Fire StandardsE603 Guide for Room Fire ExperimentsE1546 Guide for Development of Fire-Hazard-AssessmentStandardsE1776 Guide for Development of
5、 Fire-Risk-AssessmentStandardsE2061 Guide for Fire Hazard Assessment of Rail Transpor-tation VehiclesE2067 Practice for Full-Scale Oxygen Consumption Calo-rimetry Fire Tests2.2 NFPA Codes and Standards:3NFPA 555 Guide on Methods for Decreasing the Probabilityof Flashover (Withdrawn)NFPA 556 Guide on
6、 Methods for Evaluating Fire Hazard toOccupants of Passenger Road VehiclesNFPA 901 Uniform Coding for Fire Protection2.3 International Electrotechnical Commission (IEC) Stan-dards:4IEC 60695-1-1 Fire Hazard Testing - Part 1-1: Guidance forassessing the fire hazard of electrotechnical products -Gener
7、al guidelines (Withdrawn)2.4 International Organization for Standardization (ISO)Standards:5ISO 13943 Fire Safety: Vocabulary3. Terminology3.1 Use Terminology E176, ISO 13943, and IEC 60695-11, ed. 3, 199911 as the guides for terminology on fire issues(see 5.1). Where differences exist in definition
8、s, use thosecontained in Terminology E176.3.1.1 Terminology D1711 should be used as the guide forterminology on issues associated with electrical or electronicinsulating materials.3.2 Use Terminology D1711 as the guide for terminology onissues associated with electrical and electronic insulatingmate
9、rials.3.3 Definitions of Terms Specific to This Standard:3.3.1 electrotechnical product, nitem that generates oruses electrical power as a source of energy or that is associatedwith the conduction or transmission of electrical signals orpower.3.3.1.1 DiscussionElectrotechnical products include thema
10、terials insulating electrical wires and cables and the mate-rials enclosing other products that generate or are fed byelectricity, as well as the products themselves and all of theirparts.3.3.2 fire scenario, na detailed description of conditions,including environmental, of one or more of the stages
11、 frombefore ignition to the completion of combustion in an actualfire at specific location, or in a full-scale simulation.3.3.3 products, nmaterial, component, or end-use product.1This guide is under the jurisdiction of ASTM Committee D09 on Electrical andElectronic Insulating Materials and is the d
12、irect responsibility of SubcommitteeD09.21 on Fire Performance Standards.Current edition approved Nov. 1, 2013. Published December 2013. Originallyapproved in 1994. Last previous edition approved in 2008 as D5425 08. DOI:10.1520/D5425-13.2For referenced ASTM standards, visit the ASTM website, www.as
13、tm.org, orcontact ASTM Customer Service at serviceastm.org. For Annual Book of ASTMStandards volume information, refer to the standards Document Summary page onthe ASTM website.3Available from National Fire Protection Association (NFPA), 1 BatterymarchPark, Quincy, MA 02169-7471, http:/www.nfpa.org.
14、4Available from International Electrotechnical Commission (IEC), 3 rue deVaremb, Case postale 131, CH-1211, Geneva 20, Switzerland, http:/www.iec.ch.5Available from International Organization for Standardization, P.O. Box 56,CH-1211, Geneva 20, Switzerland or from American National Standards Institu
15、te(ANSI), 25 W. 43rd St., 4th Floor, New York, NY 10036, http:/www.ansi.org.*A Summary of Changes section appears at the end of this standardCopyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States14. Significance and Use4.1 This guide is inte
16、nded for use by those undertaking thedevelopment of fire hazard assessment standards for electro-technical products. Such standards are expected to be useful tomanufacturers, architects, specification writers, and authoritieshaving jurisdiction.4.2 As a guide, this document provides information on a
17、napproach to the development of a fire hazard assessmentstandard; fixed procedures are not established. Any limitationsin the availability of data, of appropriate test procedures, ofadequate fire models, or in the advancement of scientificknowledge will place significant constraints upon the proce-d
18、ure for the assessment of fire hazard.4.3 The focus of this guide is on fire assessment standardsfor electrotechnical products. However, insofar as the conceptsin this guide are consistent with those of Guide E1546, thegeneral concepts presented also may be applicable toprocesses, activities, occupa
19、ncies, and buildings. Guide E2061contains an example of how to use information on fire-test-response characteristics of electrotechnical products (electriccables) in a fire hazard assessment for a specific occupancy(rail transportation vehicle).4.4 A standard developed following this guide should no
20、tattempt to set a safety threshold or other pass/fail criteria. Sucha standard should specify all steps required to determine firehazard measures for which safety thresholds or pass/failcriteria can be meaningfully set by authorities having jurisdic-tion.5. General Concepts5.1 It is important to und
21、erstand and maintain the differ-ences between fire hazard and fire risk.5.1.1 Fire hazard is defined in Terminology E176 as:5.1.1.1 fire hazard, nthe potential for harm associatedwith fire.5.1.1.1.1 DiscussionA fire may pose one or more types ofhazard to people, animals, or property. These hazards a
22、reassociated with the environment and with a number of fire testresponse characteristics of materials, products, or assembliesincluding, but not limited to, ease of ignition, flame spread, rateof heat release, smoke generation and obscuration, toxicity ofcombustion products and ease of extinguishmen
23、t.5.1.2 Fire hazard is defined in ISO 13943 as:5.1.2.1 fire hazard, ncondition with a potential for anundesirable consequence from fire.5.1.3 Fire risk is defined in Terminology E176 as:5.1.3.1 fire risk, nan estimation of expected fire loss thatcombines the potential for harm in various fire scenar
24、ios thatcan occur with the probabilities of occurrence of those sce-narios.5.1.3.1.1 DiscussionRisk may be defined as the probabil-ity of having a certain type of fire, where the type of fire maybe defined in whole or in part by the degree of potential harmassociated with it or as potential for harm
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