Safety electric connector
First Claim
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1. A safety electric connector comprising a socket wherein each terminal comprises at least one conductive tubular part connectable to an electric supply;
- a conductive pin slidably mounted inside each tubular part, said conductive pin being connected to an earth terminal, each conductive pin further being disposed inside an insulating sheath while the wires of the socket are connected to a fault detecting apparatus; and
an insulating moulding encapsulating said at least one tubular part.
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Abstract
The invention relates to a safety electric connector. A conductive pin is slidably mounted within a socket. A sheath and a washer isolate the pin. Two further pins and the earth terminal are electrically connected to a plate which is connected to earth through a detection arrangement. Safety is assured even when the earth is not connected to the ground.
The invention can be applied to the detection of an insulation fault and cutting off of power supply to a machine not connected to earth.
15 Citations
10 Claims
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1. A safety electric connector comprising a socket wherein each terminal comprises at least one conductive tubular part connectable to an electric supply;
- a conductive pin slidably mounted inside each tubular part, said conductive pin being connected to an earth terminal, each conductive pin further being disposed inside an insulating sheath while the wires of the socket are connected to a fault detecting apparatus; and
an insulating moulding encapsulating said at least one tubular part. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
- a conductive pin slidably mounted inside each tubular part, said conductive pin being connected to an earth terminal, each conductive pin further being disposed inside an insulating sheath while the wires of the socket are connected to a fault detecting apparatus; and
Specification