Current interrupting safe break terminator

Claim 2

An electrical connector for connecting a high voltage shielded cable to an electrically conductive element positioned within a bushing for an underground electrical apparatus, said connector comprising, a housing formed from a resilient dielectric insulating material and having a passage therein, an electrically conductive member positioned in said housing and adapted to be connected to the electrically conductive element in the bushing, means for interrupting current removably positioned in said passage, first means for electrically connecting said current interrupting means to said electrically conductive member and second means for electrically connecting said current interrupting means to a high voltage shielded cable, a first inner member formed of an electrically conductive material disposed within and extending axially along a portion of said passagE to electrically shield one of said first means and said second means and the corresponding portion of said current interrupting means.

Claim 3

The electrical connector according to claim 1 including a second member formed of an electrically conductive material disposed within and extending along a portion of said passage to electrically shield the other of said first means and said second means and the corresponding portion of said current interrupting means and means for electrically insulating said first inner member from said second inner member.

Claim 4

An electrical connector for connecting a high voltage shielded cable to an electrically conductive element positioned within a bushing for an underground electrical apparatus, the bushing including an arc extinguishing member at the entry end of the conductive element, said connector comprising a housing formed from a resilient dielectric insulating material and having a recess which is adapted to sealingly engage the bushing, an electrically conductive member positioned in said housing and adapted to be connected to the electrically conductive element in the bushing, an insulating member of arc extinguishing material on the end of said electrically conductive member, means for interrupting current removably positioned in said housing, first means for electrically connecting said current interrupting means to said electrically conductive member, said second means for electrically connecting said current interrupting means to the high voltage shielded cable, a first inner member formed of an electrically conductive material disposed between said first means and said housing to electrically shield a first portion of said current interrupting means, and a second member formed of an electrically conductive material disposed between said second means and said housing to electrically shield a second portion of said current interrupting means.

Claim 5

An electrical connector for connecting a high voltage shielded cable to an electrically conductive element positioned within a bushing for an underground electrical apparatus, the bushing including an arc extinguishing member at the entry end of the conductive element, said connector comprising a housing formed from a resilient dielectric insulating material and having a recess which is adapted to sealingly engage the bushing, an electrically conductive member positioned in said housing and adapted to be connected to the electrically conductive element in the bushing, an insulating member of arc extinguishing material on the end of said electrically conductive member, means for interrupting current removably positioned in said housing, first means for electrically connecting said current interrupting means to said electrically conductive member, said second means for electrically connecting said current interrupting means to the high voltage shielded cable, a first inner member formed of an electrically conductive material disposed between said first means and said housing to electrically shield a first portion of said current interrupting means, and a second member formed of an electrically conductive material disposed between said second means and said housing to electrically shield a second portion of said current interrupting means.

Claim 6

A connector according to claim 1 wherein said current interrupting means comprises a sand filled fuse having an insulating housing, an electrically conductive cap at each end of said housing, a fuse link within said housing electrically connected to said caps, and sand completely filling said housing.

Claim 7

A current limiting unit according to claim 4 wherein said first electrically connecting means comprises a split ring having an internal diameter slightly smaller than the outside diameter of said caps and a boss integral with said ring for supporting said electrically conductive member.

Claim 8

A current limiting unit according to claim 4 wherein said second electrically connecting means comprises a base having a number of inwardly disposed tangs to engage one of said caps.

Claim 9

An electrical connector for connecting a high voltage cable to a receptacle having an electrically conductive sleeve connected to a high voltage conductor, and an insulating sleeve of arc extinguishing material at the entry end of the electrically conductive sleeve, said connector comprising, an insulating housing having a connection recess adapted to matingly engage said receptacle and a cable termination passage, said housing being formed from a resilient insulating material, a pair of electrically conductive connectors supported in a spaced relation in said passage, an electrically conductive element positioned in said recess for insertion into the electrically conductive sleeve and secured to one of said connectors, an insulating member of arc extinguishing material on the end of said element, means for terminating a cable secured to the other of said connectors, means for interrupting fault currents removably positioned in said passage in electrical contact with said connectors, means for sealing said passage, a first inner member formed of an electrically conductive material disposed between one of said pair of electrically conductive connectors and said insulating housing to electrically shield a portiOn of said current interrupting means, and a second inner member formed of an electrically conductive material disposed between the other of said pair of electrically conductive connectors and said insulating housing to electrically shield the other portion of said current interrupting means.

Claim 10

An electrical connector for connecting a high voltage cable to a receptacle having an electrically conductive sleeve connected to a high voltage conductor, and an insulating sleeve of arc extinguishing material at the entry end of the electrically conductive sleeve, said connector comprising, an insulating housing having a connection recess adapted to matingly engage said receptacle and a cable termination passage, said housing being formed from a resilient insulating material, a pair of electrically conductive connectors supported in a spaced relation in said passage, an electrically conductive element positioned in said recess for insertion into the electrically conductive sleeve and secured to one of said connectors, an insulating member of arc extinguishing material on the end of said element, means for terminating a cable secured to the other of said connectors, means for interrupting fault currents removably positioned in said passage in electrical contact with said connectors, means for sealing said passage, a first inner member formed of an electrically conductive material disposed between one of said pair of electrically conductive connectors and said insulating housing to electrically shield a portiOn of said current interrupting means, and a second inner member formed of an electrically conductive material disposed between the other of said pair of electrically conductive connectors and said insulating housing to electrically shield the other portion of said current interrupting means.