A connector comprising: a first split housing and a second split housing fitted to each other; a contact provided in one of the first split housing and the second spilt housing and having a pair of press-contact portions (P1, P2) configured to clamp a core wire (61, 66) of a first cable and a second cable, respectively; a first partition wall (18b 1) formed in the one of the pair of said first split housing and the second split housing; a second partition wall formed in the other one of the first split housing and the second split housing; wherein a pair of said press-contact portions (P1, P2) of said contact are spaced apart from each other and are separated by said first partition wall (18b 1) and said second partition wall in the first split housing and the second split housing when the first and second split housings are fitted to each other the right and left side surfaces of the outer peripheral wall of the first split housing is provided with a pair of recesses formed between each of the front and rear surfaces of the outer peripheral wall and a first locking portion having resiliency, each first locking portion provided with a first locking protrusion extending in the front-rear direction and configured to protrude outward from a side surface of the first split housing, the right and left side surfaces of the outer peripheral wall of the second split housing is provided with second locking portions, formed on the inner surface of the second split housing, comprising a pair of projection walls extending in the up-down direction at the front and rear ends of each of the second locking portions and second locking protrusion extending between the projection walls protruding inward from a side surface of the second split housing, and extending in the front-rear direction and the second locking protrusions are engaged with the first locking protrusions, and each of the projection walls is fitted into a corresponding one of the recesses wherein said first partition wall (18b1) and said second partition wall are adjacent to substantially overall the pair of said press-contact portions (P1, P2) in the fitting direction when said first split housing and second split housing are fitted to each other, and in that each engaging surfaces between the first locking protrusion and the second locking protrusion is inclined toward the first split housing from the inside of the first split housing and the second split housing fitted to each other to the outside. a first split housing and a second split housing fitted to each other; a contact provided in one of the first split housing and the second spilt housing and having a pair of press-contact portions (P1, P2) configured to clamp a core wire (61, 66) of a first cable and a second cable, respectively; a first partition wall (18b 1) formed in the one of the pair of said first split housing and the second split housing; a second partition wall formed in the other one of the first split housing and the second split housing; wherein a pair of said press-contact portions (P1, P2) of said contact are spaced apart from each other and are separated by said first partition wall (18b 1) and said second partition wall in the first split housing and the second split housing when the first and second split housings are fitted to each other the right and left side surfaces of the outer peripheral wall of the first split housing is provided with a pair of recesses formed between each of the front and rear surfaces of the outer peripheral wall and a first locking portion having resiliency, each first locking portion provided with a first locking protrusion extending in the front-rear direction and configured to protrude outward from a side surface of the first split housing, the right and left side surfaces of the outer peripheral wall of the second split housing is provided with second locking portions, formed on the inner surface of the second split housing, comprising a pair of projection walls extending in the up-down direction at the front and rear ends of each of the second locking portions and second locking protrusion extending between the projection walls protruding inward from a side surface of the second split housing, and extending in the front-rear direction and the second locking protrusions are engaged with the first locking protrusions, and each of the projection walls is fitted into a corresponding one of the recesses wherein said first partition wall (18b1) and said second partition wall are adjacent to substantially overall the pair of said press-contact portions (P1, P2) in the fitting direction when said first split housing and second split housing are fitted to each other, and in that each engaging surfaces between the first locking protrusion and the second locking protrusion is inclined toward the first split housing from the inside of the first split housing and the second split housing fitted to each other to the outside.