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Status Report: Correlation of Electrical Cable Failure with Mechanical Degradation (NUREG/CR-3263)
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Publication Information
Printed: April 1984
Sandia National Laboratories
Albuquerque, NM 87185
Operated by
Sandia Corporation
for the
U.S. Department of Energy
Prepared for
Office of Nuclear Regulatory Research
U.S. Nuclear Regulatory Commission
Washington, DC 20555
Under Memorandum of Understanding DOE 40-550-75
NRC FIN No. A-1051
Availability
Notice
Abstract
An attempt is being made to assess complete electrical failure
of signal and low-power cables typically used in nuclear power
plant containments and to correlate failure modes with the
mechanical deterioration of the elastomeric cable material.
Work over the past 24 months, although limited to one cable
configuration, has identified creep shortout and insulator
cracking, both aggravated by mechanical stresses, as the phenomena
most likely to cause electrical breakdown. Comprehensive
tests have been run for six months and are continuing.
Preliminary conclusions can be drawn and are reported.
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