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SEE Design Guide and Requirements for Electrical DeadfacingThe purpose of this design guide is to present information for understanding and mitigating the potential hazards associated with de-mating and mating powered electrical connectors on space flight vehicles. The process of staging is a necessary function in the launching of space vehicles and in the deployment of satellites, and now in manned assembly of systems in space. During this electrical interconnection process, various environments may be encountered that warrant the restriction of the voltage and current present across the pins of an electrical connector prior to separation, mating, or in a static open non-mated configuration. This process is called deadfacing. These potentially hazardous environments encompass the obvious explosive fuel vapors and human shock hazard, to multiple Electro-Magnetic Interference (EMI) phenomena related to the rapid rate of change in current as well as exposure to Radio Frequency (RF) fields.
Document ID
20020068038
Acquisition Source
Marshall Space Flight Center
Document Type
Contractor Report (CR)
Authors
Berki, Joe M. (Analex Corp. Brook Park, OH United States)
Sargent, Noel (Analex Corp. Brook Park, OH United States)
Kauffman, W.
Date Acquired
September 7, 2013
Publication Date
July 1, 2002
Subject Category
Electronics And Electrical Engineering
Report/Patent Number
M-1053
NASA/CR-2002-211839
NAS 1.26:211839
Funding Number(s)
CONTRACT_GRANT: NASA Order H-34132-D
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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