Electrical connection point, comprising: - at least one function block , which comprises a function front and a rear electrical plug fixedly attached to the function front ; and - a base for permanently fixing the electrical connection point to a support , the base comprising a receptacle and an internal electrical connector opening into the receptacle , the function block being receivable into the receptacle up to a plugged-in position in which the rear electrical plug is plugged into the internal electrical connector , wherein the electrical connection point further comprises a latch, which moves between an unlocking configuration, in which the latch allows removal of the function block from the receptacle , when the function block is received in the housing , and a locking configuration, in which the latch holds the function block in the plugged-in position; characterised in that the latch comprises a ring , which belongs to the function block , which surrounds the function front and which is arranged to be accessible from outside the housing when the function block is received in the receptacle , the ring being rotatable relative to the rear electrical plug between an unlocking position, for putting the latch in the unlocking configuration, and a locking position, for putting the latch in the locking configuration when the function block is in the plugged-in position. - at least one function block , which comprises a function front and a rear electrical plug fixedly attached to the function front ; and - a base for permanently fixing the electrical connection point to a support , the base comprising a receptacle and an internal electrical connector opening into the receptacle , the function block being receivable into the receptacle up to a plugged-in position in which the rear electrical plug is plugged into the internal electrical connector , wherein the electrical connection point further comprises a latch, which moves between an unlocking configuration, in which the latch allows removal of the function block from the receptacle , when the function block is received in the housing , and a locking configuration, in which the latch holds the function block in the plugged-in position; characterised in that the latch comprises a ring , which belongs to the function block , which surrounds the function front and which is arranged to be accessible from outside the housing when the function block is received in the receptacle , the ring being rotatable relative to the rear electrical plug between an unlocking position, for putting the latch in the unlocking configuration, and a locking position, for putting the latch in the locking configuration when the function block is in the plugged-in position. wherein the electrical connection point further comprises a latch, which moves between an unlocking configuration, in which the latch allows removal of the function block from the receptacle , when the function block is received in the housing , and a locking configuration, in which the latch holds the function block in the plugged-in position; characterised in that the latch comprises a ring , which belongs to the function block , which surrounds the function front and which is arranged to be accessible from outside the housing when the function block is received in the receptacle , the ring being rotatable relative to the rear electrical plug between an unlocking position, for putting the latch in the unlocking configuration, and a locking position, for putting the latch in the locking configuration when the function block is in the plugged-in position. <EOS>