Electrical connectors – Including arc suppressing or extinguishing means
Patent
1997-03-04
1999-01-12
Nguyen, Khiem
Electrical connectors
Including arc suppressing or extinguishing means
439921, H01R 1353
Patent
active
058578625
ABSTRACT:
A novel protective cap or elbow connector comprises a semi conductive insert which includes an additional volume of air which surrounds energized portions of the elbow connector or protective cap beyond what is necessary to accommodate a female bushing. During separation of the elbow connector or protective cap from the female bushing, the semiconductive insert stretches, which increases the volume of the interior space between the elbow connector or protective cap and the female bushing. Because the additional volume of air is provided, the reduction in pressure during separation is lessened, so that the dielectric strength of the air surrounding energized portions of the elbow connector or protective cap is maintained at a higher level. The increased dielectric strength of the air significantly reduces the possibility of a flashover occurring during separation of the elbow connector or protective cap from the female bushing.
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Makal John Mitchell
Muench Frank John
Cooper Industries Inc.
Nguyen Khiem
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