Enclosed switchboards with insulation test contact member
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United States of America Patent
Stats
-
Jan 15, 1980
Grant Date -
N/A
app pub date -
Oct 20, 1978
filing date -
Oct 27, 1977
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An enclosed switchboard includes a stationary contact connected to a load, and a drawout type circuit breaker including a movable contact and movable between a connected position in which the movable contact is in engagement with the stationary contact and a disconnected position in which the movable contact is out of engagement with the stationary contact. The enclosed switchboard is provided with a test contact member which is arranged to engage with the stationary contact when the circuit breaker is drawn out. A plug socket connected to the test contact member is mounted on the switchboard at readily accessible position thereof for connecting an insulation tester.
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Family
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Cited Art Landscape
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