ASTM F2321 - 14
Standard Specification for Flexible and Rigid Insulated Temporary By-Pass Jumpers
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1. Scope
1.1 These specifications cover the manufacture and testing of flexible insulated temporary By-Pass jumpers (By-Pass jumpers) used on energized power lines and equipment.
1.2 It is common practice for the user of this protective equipment to prepare complete instructions and safety regulations to govern in detail the correct and safe use of such equipment. Also see 4.2.
1.3 The use and maintenance of this equipment are beyond the scope of these specifications.
1.4 These specifications for a system of By-Pass jumpers is covered in four parts as follows:
| Title | Sections |
| Clamps for By-Pass Jumpers | 5 – 17 |
| Ferrules for By-Pass Jumpers | 18 – 31 |
| Cable for By-Pass Jumpers | 32 – 40 |
| By-Pass Jumpers (complete assembly | 41 – 55 |
1.5 Each of the four parts is an entity of itself, but is listed as a part of the system for completeness and clarification.
1.6 The values stated in SI units are to be regarded as the standard. See IEEE/ASTM SI 10.
1.7 The following precautionary caveat pertains only to the test method portions, Sections 13, 26, 48, and 55 of these specifications. This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory requirements prior to use.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
ANSI Standards
ANSI C119.4 American National Standard for Electrical Connectors ANSI C39.5 Safety Requirements for Electrical and Electronic Measuring and Controlling Instruments ANSI C84.1 Voltage Ratings for Electric Power Systems and Equipment (60 Hz)NEMA Standard
WC 8 Ethylene-Propylene-Rubber Insulated Wire and Cable for the Transmission and Distribution of Electrical Energy (formerly ICEA S-68-516)ASTM Standards
B33 Specification for Tin-Coated Soft or Annealed Copper Wire for Electrical Purposes
B172 Specification for Rope-Lay-Stranded Copper Conductors Having Bunch-Stranded Members, for Electrical Conductors
B173 Specification for Rope-Lay-Stranded Copper Conductors Having Concentric-Stranded Members, for Electrical Conductors
D2768 Specification for General-Purpose Ethylene-Propylene Rubber Jacket for Wire and Cable
D2770 Specification for Ozone-Resisting Ethylene-Propylene Rubber Integral Insulation and Jacket for Wire and Cable
D2802 Specification for Ozone-Resistant Ethylene-Alkene Polymer Insulation for Wire and Cable
D2865 Practice for Calibration of Standards and Equipment for Electrical Insulating Materials Testing
E8 Test Methods for Tension Testing of Metallic Materials
F819 Terminology Relating to Electrical Protective Equipment for Workers
ICS Code
ICS Number Code 29.240.20 (Power transmission and distribution lines)
UNSPSC Code
UNSPSC Code 39121441(Electrical jumper cable)
Referencing This Standard
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DOI: 10.1520/F2321-14
Citation Format
ASTM F2321-14, Standard Specification for Flexible and Rigid Insulated Temporary By-Pass Jumpers, ASTM International, West Conshohocken, PA, 2014, www.astm.org
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