Abstract: The present disclosure relates to a joint system of a power cable, in which pressure-resistance performance of a boundary area between a power cable and a joint box for connecting power cables is improved.

Abstract: The present disclosure relates to a power cable and an intermediate connection structure, for connection thereof, which is capable of preventing the concentration of stress on a soldered part, which is configured to join a metal sheath of the power cable and a metal sheath restoration layer of the intermediate connection structure while ensuring airtight or watertight sealing therebetween, preventing deformation of or damage to the soldered part due to stress applied thereto, and minimizing thermal history in the power cable during the formation of the soldered part.

Abstract: The present disclosure relates to a power cable and an intermediate connection structure, for connection thereof, which is capable of preventing the concentration of stress on a soldered part, which is configured to join a metal sheath of the power cable and a metal sheath restoration layer of the intermediate connection structure while ensuring airtight or watertight sealing therebetween, preventing deformation of or damage to the soldered part due to stress applied thereto, and minimizing thermal history in the power cable during the formation of the soldered part.

Abstract: The present disclosure relates to a power cable joint system capable of minimizing expansion, deformation or damage of a metal sheath restoration layer, which is formed of a material such as lead sheath, due to internal expansion due to heat generated in an intermediate connection part of the power cable joint system.

Abstract: The present disclosure relates to an intermediate connection structure of a power cable, which is capable of reducing heating of a connecting part of conductors of a pair of power cables connected through a joint box, enhancing a connected state of the conductors, and minimizing a diameter of the conductor connection part.

Abstract: The present disclosure relates to a power cable joint system capable of minimizing expansion, deformation or damage of a metal sheath restoration layer, which is formed of a material such as lead sheath, due to internal expansion due to heat generated in an intermediate connection part of the power cable joint system.

Abstract: The present invention disclosure relates to an intermediate connection structure of a power cable, which is capable of reducing heating of a connecting part of conductors of a pair of power cables connected through a joint box, enhancing a connected state of the conductors, and minimizing a diameter of the conductor connection part.