An isolating mechanical connector for connecting sections of an overhead electrical power line, the connector comprising: a clamping device comprising a first clamping member and a second clamping member each comprising a plate made at least partially from an electrically isolating material, and securing means for securing the first and second clamping members (4, 6) relative to each other, the first clamping member and the second clamping member each having a first pressure part (20, 22) forming a first clamping area and a second pressure part (20, 22) forming a second clamping area, wherein the first clamping area of the first clamping member is opposite the first clamping area of the second clamping member to form a first clamping region between the first clamping areas of the first and second clamping members, and wherein the second clamping area of the first clamping member is opposite the second clamping area of the second clamping member to form a second clamping region between the second clamping areas of the first and second clamping members, wherein the plates are generally arranged parallel to each other, and the first and second clamping regions are between the plates, the first clamping region being configured for accommodating part of a first section of the overhead electrical power line, and the second clamping region being configured for accommodating part of a second section of the overhead electrical power line; the first clamping region and the second clamping region being spaced from each other to form a separation region between the first and second clamping regions; and the first clamping member and the second clamping member being at least partly made of electrically isolating material so that the first clamping region is electrically isolated from the second clamping region; wherein the clamping device provides access to the separation region. a clamping device comprising a first clamping member and a second clamping member each comprising a plate made at least partially from an electrically isolating material, and securing means for securing the first and second clamping members (4, 6) relative to each other, the first clamping member and the second clamping member each having a first pressure part (20, 22) forming a first clamping area and a second pressure part (20, 22) forming a second clamping area, wherein the first clamping area of the first clamping member is opposite the first clamping area of the second clamping member to form a first clamping region between the first clamping areas of the first and second clamping members, and wherein the second clamping area of the first clamping member is opposite the second clamping area of the second clamping member to form a second clamping region between the second clamping areas of the first and second clamping members, wherein the plates are generally arranged parallel to each other, and the first and second clamping regions are between the plates, the first clamping region being configured for accommodating part of a first section of the overhead electrical power line, and the second clamping region being configured for accommodating part of a second section of the overhead electrical power line; the first clamping region and the second clamping region being spaced from each other to form a separation region between the first and second clamping regions; and the first clamping member and the second clamping member being at least partly made of electrically isolating material so that the first clamping region is electrically isolated from the second clamping region; wherein the clamping device provides access to the separation region.