Electrical connectors – With unauthorized connection preventer – e.g. – key or... – Prong cover
Patent
1990-05-22
1991-12-17
Bradley, Paula A.
Electrical connectors
With unauthorized connection preventer, e.g., key or...
Prong cover
439304, 439707, H01R 1344
Patent
active
050731220
ABSTRACT:
A tubular enclosure for a power connector attached to a power supply line, whereby the enclosure can be moved along the line to a position enclosing the power connector; the enclosure serves as a lock-out device to prevent the connection of the power connector to a power source by unauthorized or untrained persons. In a preferred form of the invention the enclosure is permanently retained on the power line so that it is readily available for use when needed for the lock-out function.
REFERENCES:
patent: 4679873 (1987-07-01), Brackett, Jr.
patent: 4957445 (1990-09-01), Burke, Jr.
Bradley Paula A.
VanOphem Remy J.
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