A part (11) of a conducting bar (5) for an electrical apparatus, such as a terminal block, the part (11) of the conductive bar (5) comprising a first planar portion extending along an extension direction (15) of the part (11) of the conducting bar (5), a second planar portion (23) extending along the extension direction (15), the extension plane (25) of the second portion (23) being transversal to the extension plane (21) of the first portion. The part (11) has a first cutout along a first contour arranged in the first portion and a second cutout along a second contour arranged in the first portion.