Bridge leg switching a DC voltage at its respective input terminal (30, 31) to produce an AC voltage at its output terminal for supply to an inductive load, which bridge leg comprises: a first switch assembly; a second switch assembly; a third switch assembly; a fourth switch assembly; and at least a first inductive element, wherein the first switch assembly and the second switch assembly are serially connected between the bridge leg input terminals (30, 31), the bridge leg output being formed at a point of interconnection of the first switch assembly and the second switch assembly; and the third switch assembly and the fourth switch assembly are serially connected between the bridge leg input terminals (30, 31), the inductive element being connected between a point of interconnection of the third switch assembly and the fourth switch assembly and the bridge leg output; wherein the third switch assembly and the fourth switch assembly are controlled such that reverse current through either of the first switch assembly or the second switch assembly is reduced compared to bridge leg output current prior to the moment of switching of the bridge leg output; the bridge leg being characterized in that when the first switch assembly is conducting reverse current and is to be switched off, the fourth switch assembly is switched on, and when the reverse current in the first switch assembly is reduced, zero or forward, the first switch assembly is switched off, the second switch assembly is switched on and the fourth switch assembly is switched off; and when the second switch assembly is conducting reverse current and is to be switched off, the third switch assembly is switched on, and when the reverse current in the second switch assembly is reduced, zero or forward, the second switch assembly is switched off, the first switch assembly is switched on and the third switch assembly is switched off. a first switch assembly; a second switch assembly; a third switch assembly; a fourth switch assembly; and at least a first inductive element, wherein the first switch assembly and the second switch assembly are serially connected between the bridge leg input terminals (30, 31), the bridge leg output being formed at a point of interconnection of the first switch assembly and the second switch assembly; and the third switch assembly and the fourth switch assembly are serially connected between the bridge leg input terminals (30, 31), the inductive element being connected between a point of interconnection of the third switch assembly and the fourth switch assembly and the bridge leg output; wherein the third switch assembly and the fourth switch assembly are controlled such that reverse current through either of the first switch assembly or the second switch assembly is reduced compared to bridge leg output current prior to the moment of switching of the bridge leg output; the bridge leg being characterized in that when the first switch assembly is conducting reverse current and is to be switched off, the fourth switch assembly is switched on, and when the reverse current in the first switch assembly is reduced, zero or forward, the first switch assembly is switched off, the second switch assembly is switched on and the fourth switch assembly is switched off; and when the second switch assembly is conducting reverse current and is to be switched off, the third switch assembly is switched on, and when the reverse current in the second switch assembly is reduced, zero or forward, the second switch assembly is switched off, the first switch assembly is switched on and the third switch assembly is switched off.