An assembly configured to transmit electrical signals, comprising: a wire cable (100, 100a, 100b) having a first inner conductor (102, 102a, 102b) and second inner conductor (104, 104a, 104b); a shield surrounding the first inner conductor and the second inner conductor (104, 104a, 104b); and a dielectric structure configured to maintain a first predetermined spacing between the first inner conductor (102, 102a, 102b) and the second inner conductor (104, 104a, 104b) and a second predetermined spacing between said the first inner conductor (102, 102a, 102b) and the second inner conductor (104, 104a, 104b) and said shield, wherein the dielectric structure comprises a first dielectric insulator enclosing the first inner conductor and a second dielectric insulator enclosing the second inner conductor, wherein the shield comprises an inner shield conductor at least partially enclosing the dielectric structure, an external conductor (120, 120a, 120b) external to the inner shield conductor, extending generally parallel to the pair of first and second inner conductors (102, 102a, 102b, 104, 104a, 104b) and in electrical communication with the inner shield conductor, characterized in that the shield further comprises an outer shield conductor at least partially enclosing the inner shield conductor and the external conductor (120, 120a, 120b) and in electrical communication with the inner shield conductor and the external conductor (120, 120a, 120b), and in that the dielectric structure further comprises a third dielectric insulator enclosing the first dielectric insulator and the second dielectric insulator, thereby providing consistent radial spacing between the first and second inner conductor (102, 104) and the inner shield conductor. a wire cable (100, 100a, 100b) having a first inner conductor (102, 102a, 102b) and second inner conductor (104, 104a, 104b); a shield surrounding the first inner conductor and the second inner conductor (104, 104a, 104b); and a dielectric structure configured to maintain a first predetermined spacing between the first inner conductor (102, 102a, 102b) and the second inner conductor (104, 104a, 104b) and a second predetermined spacing between said the first inner conductor (102, 102a, 102b) and the second inner conductor (104, 104a, 104b) and said shield, wherein the dielectric structure comprises a first dielectric insulator enclosing the first inner conductor and a second dielectric insulator enclosing the second inner conductor, wherein the shield comprises an inner shield conductor at least partially enclosing the dielectric structure, an external conductor (120, 120a, 120b) external to the inner shield conductor, extending generally parallel to the pair of first and second inner conductors (102, 102a, 102b, 104, 104a, 104b) and in electrical communication with the inner shield conductor, characterized in that the shield further comprises an outer shield conductor at least partially enclosing the inner shield conductor and the external conductor (120, 120a, 120b) and in electrical communication with the inner shield conductor and the external conductor (120, 120a, 120b), and in that the dielectric structure further comprises a third dielectric insulator enclosing the first dielectric insulator and the second dielectric insulator, thereby providing consistent radial spacing between the first and second inner conductor (102, 104) and the inner shield conductor. a first inner conductor (102, 102a, 102b) and second inner conductor (104, 104a, 104b); a shield surrounding the first inner conductor and the second inner conductor (104, 104a, 104b); and a dielectric structure configured to maintain a first predetermined spacing between the first inner conductor (102, 102a, 102b) and the second inner conductor (104, 104a, 104b) and a second predetermined spacing between said the first inner conductor (102, 102a, 102b) and the second inner conductor (104, 104a, 104b) and said shield, wherein the dielectric structure comprises a first dielectric insulator enclosing the first inner conductor and a second dielectric insulator enclosing the second inner conductor, wherein the shield comprises an inner shield conductor at least partially enclosing the dielectric structure, an external conductor (120, 120a, 120b) external to the inner shield conductor, extending generally parallel to the pair of first and second inner conductors (102, 102a, 102b, 104, 104a, 104b) and in electrical communication with the inner shield conductor, characterized in that the shield further comprises an outer shield conductor at least partially enclosing the inner shield conductor and the external conductor (120, 120a, 120b) and in electrical communication with the inner shield conductor and the external conductor (120, 120a, 120b), and in that the dielectric structure further comprises a third dielectric insulator enclosing the first dielectric insulator and the second dielectric insulator, thereby providing consistent radial spacing between the first and second inner conductor (102, 104) and the inner shield conductor.