Base plate for an ostomy appliance, the base plate defining a base plate plane, an axial direction being perpendicular to the base plate plane, the base plate comprising: - a top layer having a distal side and a proximal side; - an electrode assembly comprising one or more electrodes including a first electrode, the first electrode comprising a first connection part, a distal side of the electrode assembly is facing the proximal side of the top layer; - a monitor interface configured for connecting the base plate to a device, the monitor interface comprising a coupling part comprising a proximal facing edge, the distal side of the electrode assembly is facing the coupling part, and the monitor interface comprising one or more terminal elements including a first terminal element forming a first terminal of the base plate, a distal part of the first terminal element being secured to the coupling part and a proximal part of the first terminal element being in a position to contact the first connection part; and - a first adhesive layer with a distal side facing the proximal side of the electrode assembly, and wherein the proximal part of each of the one or more terminal elements are located between the first adhesive layer and the electrode assembly, the first adhesive layer comprising one or more water soluble or water swellable hydrocolloids, wherein the proximal facing edge is configured for engagement with a distal facing edge of the device when the base plate is connected to the device, and wherein an axial distance along the axial direction Ax between the proximal facing edge of the coupling part and a contact surface on the distal side of the top layer is a first axial distance, the contact surface overlapping the proximal part of the first terminal element and the first connection part, and the contact surface being configured to abut a proximal facing side of the device upon connecting the base plate to the device, the coupling part being configured such that the first axial distance is less than a second axial distance between the distal facing edge of the device and the proximal facing side of the device, such that upon connecting the base plate to the device the proximal facing side of the device contacts the contact surface 298 to force the first connection part to contact the first terminal element. - a top layer having a distal side and a proximal side; - an electrode assembly comprising one or more electrodes including a first electrode, the first electrode comprising a first connection part, a distal side of the electrode assembly is facing the proximal side of the top layer; - a monitor interface configured for connecting the base plate to a device, the monitor interface comprising a coupling part comprising a proximal facing edge, the distal side of the electrode assembly is facing the coupling part, and the monitor interface comprising one or more terminal elements including a first terminal element forming a first terminal of the base plate, a distal part of the first terminal element being secured to the coupling part and a proximal part of the first terminal element being in a position to contact the first connection part; and - a first adhesive layer with a distal side facing the proximal side of the electrode assembly, and wherein the proximal part of each of the one or more terminal elements are located between the first adhesive layer and the electrode assembly, the first adhesive layer comprising one or more water soluble or water swellable hydrocolloids, wherein the proximal facing edge is configured for engagement with a distal facing edge of the device when the base plate is connected to the device, and wherein an axial distance along the axial direction Ax between the proximal facing edge of the coupling part and a contact surface on the distal side of the top layer is a first axial distance, the contact surface overlapping the proximal part of the first terminal element and the first connection part, and the contact surface being configured to abut a proximal facing side of the device upon connecting the base plate to the device, the coupling part being configured such that the first axial distance is less than a second axial distance between the distal facing edge of the device and the proximal facing side of the device, such that upon connecting the base plate to the device the proximal facing side of the device contacts the contact surface 298 to force the first connection part to contact the first terminal element.