Cable support segment connector (1, 1.1), which is configured as an adapter for a cable support system, and by means of this connector cable support segments of different widths can be connected to one another by means of this connector, and comprises at least four sections comprising in each case a right-hand and a left-hand side spar (2, 3; 2.1, 3.1), arranged in the direction of run of the connector (1, 1.1), of which - a first section is configured as a first connection section for the mechanical connection of the connector (1, 1.1) to a first cable support segment, - a second section as a second connection section for the mechanical connection of the connector (1, 1.1) to a second cable support segment (22, 23, 24), and - a third section, located between the two connection sections (5, 9), as a support section for supporting an installation guided by way of the connector (1, 1.1), in particular cables guided by way of the connector (1, 1.1), wherein the support section is provided with a component (4, 4.1) connecting the two side spars (2, 3; 2.1, 3.1), and - a fourth section, arranged between the support section and one of the two connection sections (5, 9), as an adjustment section (6, 8) for the adjustment of the adjacent connection section (5 or 9 respectively) to the connection geometry of the cable support segment (17, 22, 23 24) which is to be connected to the connector (1, 1.1), characterised in that - a perforation is introduced into the side spars of the connection sections (5, 9) for passing through securing elements for a mechanical connection of the connector to the cable support segment (17, 22, 23, 24) which is to be connected to it, or the side spars of the connection sections carry notches and/or interlock elements for the connection without the need for tools of a cable support segment fitted with complementary interlock elements and/or notches, - that the adjustment section (6, 8) is delimited towards the adjacent connection section (5, 9) and to the adjacent support section by a fold point (K1, K2, K3, K4), defined by a material weakening, in the side spars (2, 3, 2.1, 3.1), and - that the left and right side spars (2, 3; 2.1, 3.1) are of identical structural design. - a first section is configured as a first connection section for the mechanical connection of the connector (1, 1.1) to a first cable support segment, - a second section as a second connection section for the mechanical connection of the connector (1, 1.1) to a second cable support segment (22, 23, 24), and - a third section, located between the two connection sections (5, 9), as a support section for supporting an installation guided by way of the connector (1, 1.1), in particular cables guided by way of the connector (1, 1.1), wherein the support section is provided with a component (4, 4.1) connecting the two side spars (2, 3; 2.1, 3.1), and - a fourth section, arranged between the support section and one of the two connection sections (5, 9), as an adjustment section (6, 8) for the adjustment of the adjacent connection section (5 or 9 respectively) to the connection geometry of the cable support segment (17, 22, 23 24) which is to be connected to the connector (1, 1.1), characterised in that - a perforation is introduced into the side spars of the connection sections (5, 9) for passing through securing elements for a mechanical connection of the connector to the cable support segment (17, 22, 23, 24) which is to be connected to it, or the side spars of the connection sections carry notches and/or interlock elements for the connection without the need for tools of a cable support segment fitted with complementary interlock elements and/or notches, - that the adjustment section (6, 8) is delimited towards the adjacent connection section (5, 9) and to the adjacent support section by a fold point (K1, K2, K3, K4), defined by a material weakening, in the side spars (2, 3, 2.1, 3.1), and - that the left and right side spars (2, 3; 2.1, 3.1) are of identical structural design.