1、Designation:F232114Standard Specification forFlexible and Rigid Insulated Temporary By-Pass Jumpers1This standard is issued under the fixed designation F2321;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the year of last revision.A
2、 number in parentheses indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope1.1 These specifications cover the manufacture and testingof flexible insulated temporary By-Pass jumpers(By-Passjumpers)used on energized pow
3、er lines and equipment.1.2 It is common practice for the user of this protectiveequipment to prepare complete instructions and safety regula-tions to govern in detail the correct and safe use of suchequipment.Also see 4.2.1.3 The use and maintenance of this equipment are beyondthe scope of these spe
4、cifications.1.4 These specifications for a system of By-Pass jumpers iscovered in four parts as follows:TitleSectionsClamps for By-Pass Jumpers5 17Ferrules for By-Pass Jumpers18 31Cable for By-Pass Jumpers32 40By-Pass Jumpers(complete assemblywith clamps,ferrules,and cable)41 551.5 Each of the four
5、parts is an entity of itself,but is listedas a part of the system for completeness and clarification.1.6 The values stated in SI units are to be regarded as thestandard.See IEEE/ASTM SI 10.1.7 The following precautionary caveat pertains only to thetest method portions,Sections 13,26,48,and 55 of the
6、sespecifications.This standard does not purport to address all ofthe safety concerns,if any,associated with its use.It is theresponsibility of the user of this standard to establish appro-priate safety and health practices and determine the applica-bility of regulatory requirements prior to use.2.Re
7、ferenced Documents2.1 ASTM Standards:2B33 Specification for Tin-Coated Soft or Annealed CopperWire for Electrical PurposesB172 Specification for Rope-Lay-Stranded Copper Conduc-tors Having Bunch-Stranded Members,for Electrical Con-ductorsB173 Specification for Rope-Lay-Stranded Copper Conduc-tors Ha
8、ving Concentric-Stranded Members,for ElectricalConductorsD2768 SpecificationforGeneral-PurposeEthylene-Propylene Rubber Jacket for Wire and Cable(Withdrawn2007)3D2770 SpecificationforOzone-ResistingEthylene-Propylene Rubber Integral Insulation and Jacket for Wireand Cable(Withdrawn 2007)3D2802 Speci
9、fication for Ozone-Resistant Ethylene-AlkenePolymer Insulation for Wire and CableD2865 Practice for Calibration of Standards and Equipmentfor Electrical Insulating Materials TestingE8 Test Methods for Tension Testing of Metallic MaterialsF819 Terminology Relating to Electrical Protective Equip-ment
10、for WorkersIEEE/ASTM SI 10 American National Standard for MetricPractice2.2 ANSI Standards:4ANSI C39.5 Safety Requirements for Electrical and Elec-tronic Measuring and Controlling InstrumentsANSI C84.1 Voltage Ratings for Electric Power Systems andEquipment(60 Hz)ANSI C119.4 American National Standa
11、rd for ElectricalConnectors2.3 NEMA Standard:5WC 8 Ethylene-Propylene-Rubber Insulated Wire and Cablefor the Transmission and Distribution of Electrical Energy(formerly ICEA S-68-516)3.Terminology3.1 Definitions:1This specification is under the jurisdiction of ASTM Committee F18 onElectrical Protect
12、ive Equipment for Workers and is the direct responsibility ofSubcommittee F18.45 on Mechanical Apparatus.Current edition approved Aug.15,2014.Published October 2014.Originallyapproved in 2003.Last previous edition approved in 2013 as F232105(2013).DOI:10.1520/F2321-14.2For referenced ASTM standards,
13、visit the ASTM website,www.astm.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.3The last approved version of this historical standard is referenced onwww.astm.org.4Available fr
14、om American National Standards Institute(ANSI),25 W.43rd St.,4th Floor,New York,NY 10036.5Available from National Electrical Manufacturers Association(NEMA),1300N.17th St.,Suite 1847,Rosslyn,VA 22209.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.Unite
15、d States1 3.1.1 flexible and rigid insulated temporary By-Passjumpersdevices designed and used to keep electric supplycircuits effectively continuous(electrically bridged)for shortperiods of time at work locations when conductors or equip-ment may otherwise be opened or made electrically discon-tinu
16、ous during work operations.3.1.1.1 DiscussionThe devices are normally installed,used,and removed as part of a protective insulating systemcomposed of insulating covers and/or observances of requiredminimum safe approach distances for workers.3.1.2 voltage,normal designa nominal value consistentwith the latest revision of ANSI C84.1,assigned to the circuitor system for the purpose of conveniently designating itsvoltage class.3.1.3 voltage,maximum usethe ac voltage(rms)classifi-cation of the prote
