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A pair of polyimide coated ground conductors from tri-lead cable that are each twisted with an uninsulated conductor can be installed together in a test chamber for successive tests of insulation breakdown.
English (United States)
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A pair of polyimide coated ground conductors from tri-lead cable that are
each twisted with an uninsulated conductor can be installed together in a test
chamber for successive tests of insulation breakdown.
Referring to the figure, coated conductors 1 twisted with bare conductors 2
form wire pairs that are installed under respective clips on a test stand 3
enclosed in a protective housing 4. Each pair of conductors is in turn connected
with terminals of a double pole-double throw switch 5. A power supply 6 is
connected to the switch. This arrangement enables testing both ground wires
from a tri-lead cable in succession with a single loading on the test stand.