Electric cable joints

Details Electric cable joints Electric cable joints

H - Electricity

02

G

337/46

H02G 15/068 (2006.01) H02G 15/103 (2006.01)

Patent

CA 1252161

ABSTRACT Improvements in or relating to cable joints. A cable length of the type comprising a conductor, polymeric insulation 3 over the conductor, a semiconducting screen 4 over the polymeric insulation, a fault carrying screen 5 over the semiconducting screen, and a protective sheath 6 over the semiconducting screen has at least the leading end thereof partially prepared for jointing prior to laying of the cable. At the or each such end the cable is stripped back over successive increasing lengths 7, 8, 9 to its polymeric insulation 3, its semiconducting screen 4 and its fault carrying screen 5. A semiconducting sleeve 13 fits over the protective sheath 6, extends over the stripped lengths of fault carrying screen 5 and semiconduct- ing screen 4 and abuts the end portion of the latter. A clamp 12 disposed within the sleeve 13 terminates the fault carrying screen 5 and a sleeve 19 of polymeric insulation is provided on the stripped length of polymeric insulation 3. The sleeves 13 and 19 have the same outside diameter and the cable end has a generally cylindrical form with an outside diameter such as the outside diameter of the cable. This facilitates laying of the cable when the end is the leading end and has to be pulled through a trench.

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