Historical
ASTM F2321-05
Standard Specification for Flexible Insulated Temporary By-Pass Jumpers
1.1 These specifications cover the manufacture and testing of flexible insulated temporary bypass jumpers (bypass 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 .
1.3 The use and maintenance of this equipment are beyond the scope of these specifications.
1.4 These specifications for a system of bypass jumpers is covered in four parts as follows:
| Title | Sections |
| Clamps for Bypass Jumpers | |
| Ferrules for Bypass Jumpers | |
| Cable for Bypass Jumpers | |
| Bypass Jumpers (complete assemblywith clamps, ferrules, and cable) |
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 ASTM SI 10.
ASTM International [astm]