Connecting arrangement for connecting the free end of a pipe which is not part of the connecting arrangement , comprising • a tubular support body and • an outer sleeve which is arranged at least partially around the support body , is held on the support body and forms, together with the support body , a receiving space into which the pipe can be inserted, and • a clamping device which is received in the receiving space and comprises at least one clamping element that is intended to engage with a pipe inserted into the receiving space , in such a way that said element opposes a movement of the pipe out of the receiving space , • an indicating device which can be transferred, by the pipe inserted into the receiving space , into an indicating position in which said device is aligned with at least one opening provided in the outer sleeve , and • a sealing device which is received in a groove formed in the outer surface of the support body and is intended to sealingly engage with the inner surface of a pipe inserted into the receiving space , the connecting arrangement further comprising a protective device which covers the sealing device in the groove in a ready-to-install position and is operatively connected to the indicating device to form a sliding device , characterised in that the sliding device has a base ring which is connected to the indicating device via connecting portions , in that the sliding device has one or more axial passages , at least one clamping element of the clamping device passing through at least one axial passage , and in that the clamping device has a base ring from which a plurality of clamping elements protrudes in the axial direction. • a tubular support body and • an outer sleeve which is arranged at least partially around the support body , is held on the support body and forms, together with the support body , a receiving space into which the pipe can be inserted, and • a clamping device which is received in the receiving space and comprises at least one clamping element that is intended to engage with a pipe inserted into the receiving space , in such a way that said element opposes a movement of the pipe out of the receiving space , • an indicating device which can be transferred, by the pipe inserted into the receiving space , into an indicating position in which said device is aligned with at least one opening provided in the outer sleeve , and • a sealing device which is received in a groove formed in the outer surface of the support body and is intended to sealingly engage with the inner surface of a pipe inserted into the receiving space , the connecting arrangement further comprising a protective device which covers the sealing device in the groove in a ready-to-install position and is operatively connected to the indicating device to form a sliding device , characterised in that the sliding device has a base ring which is connected to the indicating device via connecting portions , in that the sliding device has one or more axial passages , at least one clamping element of the clamping device passing through at least one axial passage , and in that the clamping device has a base ring from which a plurality of clamping elements protrudes in the axial direction. <EOS>