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Description / Abstract:
This test procedure applies to both switching impulse and
lightning impulse tests on cables or cable systems incorporating
laminated or extruded insulations. The term laminated
cable, as used in this procedure, includes high-pressure pipe
cable, low-pressure gas-filled cable, self-contained liquid-filled
cable, solidpaper cable, and other taped cable designs. A cable
system is a cable with one or more accessories attached.
This test procedure is not intended to replace any existing or
future standards covering cable or cable accessories, impulse
generators, impulse testing, or voltage measurements. It is
intended to supplement such standards by indicating specific
procedures for a specific type of cable system or cable system
component.
This test procedure does not apply to cables or cable systems
that utilize gas or gas spacers as the sole insulating medium. This
test procedure applies to individual cable accessories only when
referenced by the specific accessory standard.
Purpose
This test procedure is intended as a guide for impulse testing
of insulated conductors (cables) and cables with accessories
installed (cable systems). It can be used as a design or
qualification test for cables or cable systems.