NOVELTY - The device (1000) has a profiled body with a flexible part (1008) that is connected to a first chuck jaw (2000) and a support area (1002). The body comprises a second chuck jaw (2002) directed along direction. Another flexible part (1010) exerts force on a third chuck jaw and the support area to bring the third chuck jaw and the support area to be closer in a plugged position on a support. The third chuck jaw is opposed to a relative movement of the body with respect to the support. The latter flexible part is opposed to a relative movement of the device with respect to the support.    USE - Device for equalizing potential differences in different parts of a solar panel assembly (claimed) that is assembled on a roof of an apartment building for producing electric power. Can also be used for an industry application.    ADVANTAGE - The chuck jaw is directed to be opposed to the relative movement of the profiled body with respect to the support, where the flexible part is opposed to the relative movement of the potential equalization device with respect to the support, so that the solar panels can be assembled on a roof of a building in a simple and cost-effective manner. The profiled body is made of partially conducting material such as aluminum or aluminum alloy, so that the profiled body can be manufactured in a cost-effective manner with better conductivity. The design of the potential difference equalization device ensures the electric safety by equalizing the potential difference between various parts.    DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for a solar panel assembly comprising a solar receiving module equipped with a frame.    DESCRIPTION OF DRAWING(S) - The drawing shows a perspective view of a profiled body.    Potential difference equalization device (1000)    Support area (1002)    Longitudinal plane portions (1004, 1006)    Flexible parts (1008, 1010)    Edges of longitudinal plane portions (1014, 1016, 1018, 1020)    Chuck jaws (2000, 2002)