A robot comprising a robot arm having a plurality of joints (L1-L6) connected by links (G1-G7), the joints (L1-L6) being adjustable by drive motors (M1-M6) of the robot, which are coupled to the joints (L1-L6), in an automated manner according to a robot program or in a drive-controlled manner in a manual travel mode of the robot, to change the configuration of the robot arm, wherein a first link (G1-G7) is connected to a second link (G1-G7) by at least one joint (L1-L6) over which a power line strand of the robot arm is routed which is adapted to transmit drive energy to the at least one drive motor (M1-M6), wherein: - the first link (G1-G7) comprises a first hollow structural member within which a first strand section (17.1) of the power line strand is guided, - the second link (G1-G7) comprises a second hollow structural member within which a second strand section (17.2) of the power line strand is guided, - the power line strand comprises an intermediate strand section (17.3) extending between the first strand section (17.1) of the power line strand and the second strand section (17.2) of the power line strand, the intermediate strand section (17.3) extending outside the first hollow structural part and outside the second hollow structural part, - the robot arm comprises a line housing enclosing the intermediate strand section (17.3), and - on the one hand the line housing is rigidly connected to the first hollow structural part and on the other hand the line housing is adjustably mounted relative to the second hollow structural part, whereby the line housing has a housing shell with an inlet opening through which the intermediate strand section (17.3) emerging from the first hollow structural part enters the line housing, and the housing shell has an outlet opening through which the intermediate strand section (17.3) emerges from the line housing and then enters the second hollow structural part, wherein the housing shell has a flange surrounding the inlet opening, which flange is designed for rigidly fastening the housing shell to the first hollow structural part, and the housing shell has a ring surrounding the outlet opening, which forms part of a bearing arrangement of the robot arm rotatably supporting the housing shell on the second hollow structural part and/or forms part of a sealing arrangement of the robot arm sealing the housing shell against the second hollow structural part, and whereby the power line strand comprises a protective hose enclosing the intermediate strand section (17.3) and having a first protective hose end (20.1), and the housing shell comprises a pivot bearing configured to rotatably support the first protective hose end (20.1) on the housing shell. - the first link (G1-G7) comprises a first hollow structural member within which a first strand section (17.1) of the power line strand is guided, - the second link (G1-G7) comprises a second hollow structural member within which a second strand section (17.2) of the power line strand is guided, - the power line strand comprises an intermediate strand section (17.3) extending between the first strand section (17.1) of the power line strand and the second strand section (17.2) of the power line strand, the intermediate strand section (17.3) extending outside the first hollow structural part and outside the second hollow structural part, - the robot arm comprises a line housing enclosing the intermediate strand section (17.3), and - on the one hand the line housing is rigidly connected to the first hollow structural part and on the other hand the line housing is adjustably mounted relative to the second hollow structural part, whereby the line housing has a housing shell with an inlet opening through which the intermediate strand section (17.3) emerging from the first hollow structural part enters the line housing, and the housing shell has an outlet opening through which the intermediate strand section (17.3) emerges from the line housing and then enters the second hollow structural part, wherein the housing shell has a flange surrounding the inlet opening, which flange is designed for rigidly fastening the housing shell to the first hollow structural part, and the housing shell has a ring surrounding the outlet opening, which forms part of a bearing arrangement of the robot arm rotatably supporting the housing shell on the second hollow structural part and/or forms part of a sealing arrangement of the robot arm sealing the housing shell against the second hollow structural part, and whereby the power line strand comprises a protective hose enclosing the intermediate strand section (17.3) and having a first protective hose end (20.1), and the housing shell comprises a pivot bearing configured to rotatably support the first protective hose end (20.1) on the housing shell.