Exploratory Study of Dielectric Breakdown Voltages for Residential Wiring. Final Report.
Exploratory Study of Dielectric Breakdown Voltages for
Residential Wiring. Final Report.
Raduan, J. E. V.; Beausoliel, R. W.; Meese, W. J.
NBSIR 78-1537; October 1978.
Sponsor:Department of Housing and Urban Development, Washington,
Available from: National Technical Information Service
Order number: PB-288857/6
dielectric breakdown; wiring; electric wire; residential
buildings; electric potential; surges; power supply
circuits; transmission lines; tests
Residential electric circuits are subjected to surge
voltages resulting from load switching in buildings, and
from external causes such as lightning. Laboratory test
data are presented on high voltage breakdown values for
armored cable (type AC cable), nonmetallic-sheated cable
(type NM), flat conductor cable, and duplex receptacles.
Dielectric withstand voltage test requirements in
current standards for residential wiring devices vary
over a wide range. In some cases, the standard test
voltage values for both wiring and wiring devices are
less than surge voltages recorded on wiring in
residences. Also, field-recorded voltage wave forms and
rates of their application are different from those used
in standard withstand voltage tests.