Sensored bushing for connecting a separable connector to a switchgear or to a transformer in a power distribution network of a national grid for distributing electrical power at medium or high voltages, the bushing comprising a) a bushing body comprising a solidified, electrically insulating casting material; b) an elongated bushing conductor, embedded in the casting material, for conducting power at an elevated voltage and at currents of ten Ampère or more into the switchgear or the transformer, the length direction of the bushing conductor defining a bushing axis and axial directions and radial directions orthogonal to the bushing axis; c) a tubular sensing electrode, embedded in the casting material and arranged coaxially around the bushing conductor, wherein the sensing electrode and the bushing conductor are operable as electrodes of a primary capacitor, a dielectric of the primary capacitor being formed by a first portion of the casting material arranged between the sensing electrode and the bushing conductor, wherein the primary capacitor is operable as a high-voltage capacitor in a high-voltage portion of a sensing voltage divider for sensing the elevated voltage of the bushing conductor; d) a tubular shield electrode, embedded in the casting material, arranged coaxially around the sensing electrode, and insulated against the sensing electrode by a second portion of the casting material arranged between the sensing electrode and the shield electrode; e) a first spacer, embedded in the casting material and arranged radially between the sensing electrode and the shield electrode, wherein the first spacer is mechanically connected to the sensing electrode and to the shield electrode to maintain the sensing electrode and the shield electrode in a fixed spatial relation to each other, characterized in that the first spacer comprises a flat major surface and is oriented such that a normal on the major surface is oriented parallel to a central axis of the tubular sensing electrode or to a central axis of the tubular shield electrode. a) a bushing body comprising a solidified, electrically insulating casting material; b) an elongated bushing conductor, embedded in the casting material, for conducting power at an elevated voltage and at currents of ten Ampère or more into the switchgear or the transformer, the length direction of the bushing conductor defining a bushing axis and axial directions and radial directions orthogonal to the bushing axis; c) a tubular sensing electrode, embedded in the casting material and arranged coaxially around the bushing conductor, wherein the sensing electrode and the bushing conductor are operable as electrodes of a primary capacitor, a dielectric of the primary capacitor being formed by a first portion of the casting material arranged between the sensing electrode and the bushing conductor, wherein the primary capacitor is operable as a high-voltage capacitor in a high-voltage portion of a sensing voltage divider for sensing the elevated voltage of the bushing conductor; d) a tubular shield electrode, embedded in the casting material, arranged coaxially around the sensing electrode, and insulated against the sensing electrode by a second portion of the casting material arranged between the sensing electrode and the shield electrode; e) a first spacer, embedded in the casting material and arranged radially between the sensing electrode and the shield electrode, wherein the first spacer is mechanically connected to the sensing electrode and to the shield electrode to maintain the sensing electrode and the shield electrode in a fixed spatial relation to each other, characterized in that the first spacer comprises a flat major surface and is oriented such that a normal on the major surface is oriented parallel to a central axis of the tubular sensing electrode or to a central axis of the tubular shield electrode. wherein the first spacer is mechanically connected to the sensing electrode and to the shield electrode to maintain the sensing electrode and the shield electrode in a fixed spatial relation to each other, characterized in that the first spacer comprises a flat major surface and is oriented such that a normal on the major surface is oriented parallel to a central axis of the tubular sensing electrode or to a central axis of the tubular shield electrode.