Repair box for optical fibre composite electric power cable

1. A cable joint for jointing two cable ends of an optical fiber cable of an optical fiber composite electric power cable, comprising:

an electric power cable;

an optical fiber cable; and

a repair box arranged between two cable ends of said optical fiber cable, said repair box being arranged within said optical fiber composite electric power cable, said repair box comprising storage configured to store extra length needed for jointing optical fibers of said optical fiber cable.

2. The cable joint according to claim 1 , wherein said optical fiber composite electric power cable comprises at least two electric power cables, and wherein said repair box is arranged within a space created between said at least two electric power cables.

3. The cable joint according to claim 2 , wherein said repair box is shaped in dependence on a lay length of said at least two electric power cables.

4. The cable joint according to claim 1 , wherein said repair box is arranged within said optical fiber composite electric power cable so as to maintain outer dimensions of said optical fiber composite electric power cable.

5. The cable joint according to claim 1 , wherein said repair box comprises openings arranged at opposing ends thereof, each of said openings comprising a pipe being adapted to receive one of said two cable ends of said fiber optical cable.

6. The cable joint according to claim 5 , wherein said pipes are made of a same material as said optical fiber cable.

7. The cable joint according to claim 1 , wherein said electric power cable comprises a three-core submarine cable.