An identification tag (10, 610) for attachment to an end of an electrical cable, said cable end having a length of exposed inner conductor beyond an end of a surrounding layer (6, 8), and the tag (10, 610) comprising: - a collar portion (12, 612) comprising: - a bore (26, 626) for receiving a part of the cable, the bore (26, 626) extending between first and second ends (613, 615) of the collar portion (12, 612); and - an outer surface having a profile such that an outer diameter of the collar portion (12, 612) is smaller at the second end than at the first end and the outer diameter of the collar portion (12, 612) decreases gradually from the first end to the second end; and - a tab portion (16, 616) connected to and extending from the collar portion (12, 612), the tab portion (16, 616) including identification means (38, 638) for identifying said cable; characterised in that the collar portion (12, 612) further comprises: - an abutment surface for limiting the insertion of the cable end through the bore (26,626), the abutment surface being arranged to engage with the end of the surrounding layer (6, 8) to prevent further insertion of the cable end into the bore (26,626), wherein the bore (26, 626) has a first section at the first end of the collar portion (12, 612) having a first diameter and a second section at the second end of the collar portion (12, 612) having a second diameter and wherein the first diameter is larger than the second diameter, the abutment surface being provided by a shoulder in the bore (26, 626) between the first and second sections (646, 648). - a collar portion (12, 612) comprising: - a bore (26, 626) for receiving a part of the cable, the bore (26, 626) extending between first and second ends (613, 615) of the collar portion (12, 612); and - an outer surface having a profile such that an outer diameter of the collar portion (12, 612) is smaller at the second end than at the first end and the outer diameter of the collar portion (12, 612) decreases gradually from the first end to the second end; and - a bore (26, 626) for receiving a part of the cable, the bore (26, 626) extending between first and second ends (613, 615) of the collar portion (12, 612); and - an outer surface having a profile such that an outer diameter of the collar portion (12, 612) is smaller at the second end than at the first end and the outer diameter of the collar portion (12, 612) decreases gradually from the first end to the second end; and - a tab portion (16, 616) connected to and extending from the collar portion (12, 612), the tab portion (16, 616) including identification means (38, 638) for identifying said cable; characterised in that the collar portion (12, 612) further comprises: - an abutment surface for limiting the insertion of the cable end through the bore (26,626), the abutment surface being arranged to engage with the end of the surrounding layer (6, 8) to prevent further insertion of the cable end into the bore (26,626), wherein the bore (26, 626) has a first section at the first end of the collar portion (12, 612) having a first diameter and a second section at the second end of the collar portion (12, 612) having a second diameter and wherein the first diameter is larger than the second diameter, the abutment surface being provided by a shoulder in the bore (26, 626) between the first and second sections (646, 648). - an abutment surface for limiting the insertion of the cable end through the bore (26,626), the abutment surface being arranged to engage with the end of the surrounding layer (6, 8) to prevent further insertion of the cable end into the bore (26,626), wherein the bore (26, 626) has a first section at the first end of the collar portion (12, 612) having a first diameter and a second section at the second end of the collar portion (12, 612) having a second diameter and wherein the first diameter is larger than the second diameter, the abutment surface being provided by a shoulder in the bore (26, 626) between the first and second sections (646, 648).