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 MIL-HDBK-419A
CHAPTER 1
FACILITY GROUND SYSTEM
1.1 GENERAL.
1.1.1 This handbook addresses the practical considerations for engineering of grounding systems, subsystems,
and other components of ground networks. Electrical noise reduction is discussed as it relates to the proper
installation of ground systems. Power distribution systems are covered to the degree necessary to understand
the interrelationships between grounding, power distribution, and electrical noise reduction.
1.1.2 The information provided in this handbook primarily concerns grounding, bonding, and shielding of fixed
plant telecommunications-electronics facilities; however, it also provides basic guidance in the grounding of
deployed transportable communications/electronics equipment.
1.1.3 Grounding, bonding, and shielding are approached from a total system concept, which comprises four
basic subsystems in accordance with current Department of Defense (DOD) guidance. These subsystems are as
follows:
a.
An earth electrode subsystem.
b.
A lightning protection subsystem.
A fault protection subsystem.
c.
A signal reference subsystem.
d.
1.2 APPLICATION. This handbook provides technical information for the engineering and installation of
military communications systems related to the background and practical aspects of installation practices
applicable to grounding, bonding, and shielding. It also provides the latest concepts on communications systems
grounding, bonding, and shielding installation practices as a reference for military communications installation
personnel.
1.3 DEFINITIONS. A glossary of unique terms used in this handbook is provided in Appendix A. All other
terms and definitions used in this handbook conform to those contained in Joint Chiefs of Staff Publication No.
1. (JCS Pub 1), FED-STD-1037, MIL-STD-463, and the Institute of Electrical and Electronics Engineers (IEEE)
dictionary.
1.4 REFERENCED DOCUMENTS. Publications related to the subject material covered in the text of this
handbook are listed in Appendix B. The list includes publications referenced in the text and those documents
that generally pertain to subjects contained in the handbook but are not necessarily addressed specifically.
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