Patent ID: 7207828

Claim:
A device for interposing on a bifilar telephone or computer-related line in order to connect two incoming strands to two outgoing strands, said device comprising: a testing well inside which are located a first couple of free terminals corresponding to the two incoming strands, a second couple of free terminals corresponding to the two outgoing strands, and a first electrical member comprising a surge arrestor connected to certain ones of the free terminals, and a cover for closing the well, wherein said first couple and said second couple are electrically insulated with respect to one another when the cover is open and each terminal being selectively accessible from the outside by a respective testing plug when the cover is open, and said device comprising means incorporating electrical contacts contained in the cover for effecting the interconnection of said first couple and said second couple when the cover is closed on the well, wherein said interconnection means incorporating electrical contacts contained in the cover comprise at least one means for galvanically linking said first couple and said second couple with at least one additional component-type electrical member retained inside the cover and with at least one additional component-type electrical member or members are disposed outside the cover wherein at least one additional component-type electrical member disposed outside the cover is connected in series with respect to one outgoing strand, or with respect to one incoming strand, or with respect to the two outgoing and incoming strands.