ASTM-F855 2004

$44.96

F855-04 Standard Specifications for Temporary Protective Grounds to Be Used on De-energized Electric Power Lines and Equipment

Published By	Publication Date	Number of Pages
ASTM	2004	19

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Categories: 29.120.50 - Fuses and other overcurrent protection devices, ASTM

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Description

ASTM F855-04

Historical Standard: Standard Specifications for Temporary Protective Grounds to Be Used on De-energized Electric Power Lines and Equipment

ASTM F855

Scope

1.1 These specifications cover the equipment making up the temporary grounding system used on de-energized electric power lines, electric supply stations, and equipment.

1.2 It is common practice for the users of protective grounding equipment to prepare complete instructions and regulations to govern in detail the correct use and maintenance of such equipment.

1.3 The uses and maintenance of this equipment are beyond the scope of these specifications.

1.4 These specifications for a system of protective grounding utilizing copper cables are covered in four parts, as follows:

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 Newton-Meter units are to be regarded as the standard. The values in parentheses are the inch-pound units.

1.7 Currents presented in Table 1 and Table 2 are based upon cable melting times, as determined from equations by I. M. Onderdonk. See Appendix X3.

1.7.1 Currents presented in were determined by use of EPRI Project RP2446 Computer Program RTGC “A Desktop Computer Program for Calculating Rating of Temporary Grounding Cables.”

1.7.2 See Appendix X3 and Appendix X4 for a discussion of these values.

The following precautionary caveat pertains to the test method portions, Sections 12 and 25 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 limitations prior to use.

Keywords

equipment; computer program; grounding

ICS Code

ICS Number Code 29.120.50 (Fuses and other overcurrent protection devices)

DOI: 10.1520/F0855-04

Additional information


Ferrules for Temporary Protective Grounds	17-30
Protective Grounds (Complete Assembly With Clamps, Ferrules, and Cable)	40-52
Cables for Temporary Protective Grounds	31-39
Clamps for Temporary Protective Grounds	4-16
ICS Codes	29.120.50 - Fuses and other overcurrent protection devices