Electric appliance comprising: an electric load, a driving element for selectively energizing/de-energizing the electric load, the driving element having a first driving terminal ( A 1) coupled to a first load terminal ( T 1) of the electric load, a second driving terminal ( A 2) coupled to a first power supply terminal ( T N), and a control terminal for switching on/off the driving element thereby allowing said selective energization/deenergization, respectively, and a switching element for selectively coupling a second power supply terminal ( T L) to a second load terminal ( T 2) of the electric load, wherein: the electric appliance further comprises a detection arrangement ( 210,220) configured for detecting a first electrical quantity ( V A1) at the first driving terminal ( A 1), and at least one between a second electrical quantity ( V T2,CL,V T2,OP) at the second load terminal ( T 2) and a power supply electrical quantity ( V MAINS) at the second power supply terminal ( T L), the detection arrangement ( 210,220) comprising: a coupling element coupling the first driving terminal ( A 1) to the second load terminal ( T 2), and a control unit coupled to the first driving terminal ( A 1), and to at least one between the second load terminal ( T 2) and the second power supply terminal ( T L), the control unit being further configured for determining dispersion of electric power towards ground in the electric load according to the detected electrical quantities, and wherein: - the electric appliance comprises a washing machine, a drying machine, or a washing/drying machine; - the electric appliance comprises a rotating drum adapted to house laundry to be washed and/or dried, and - the electric load comprises an electric motor for drum rotation. an electric load, a driving element for selectively energizing/de-energizing the electric load, the driving element having a first driving terminal ( A 1) coupled to a first load terminal ( T 1) of the electric load, a second driving terminal ( A 2) coupled to a first power supply terminal ( T N), and a control terminal for switching on/off the driving element thereby allowing said selective energization/deenergization, respectively, and a switching element for selectively coupling a second power supply terminal ( T L) to a second load terminal ( T 2) of the electric load, wherein: the electric appliance further comprises a detection arrangement ( 210,220) configured for detecting a first electrical quantity ( V A1) at the first driving terminal ( A 1), and at least one between a second electrical quantity ( V T2,CL,V T2,OP) at the second load terminal ( T 2) and a power supply electrical quantity ( V MAINS) at the second power supply terminal ( T L), the detection arrangement ( 210,220) comprising: a coupling element coupling the first driving terminal ( A 1) to the second load terminal ( T 2), and a control unit coupled to the first driving terminal ( A 1), and to at least one between the second load terminal ( T 2) and the second power supply terminal ( T L), the electric appliance further comprises a detection arrangement ( 210,220) configured for detecting a first electrical quantity ( V A1) at the first driving terminal ( A 1), and at least one between a second electrical quantity ( V T2,CL,V T2,OP) at the second load terminal ( T 2) and a power supply electrical quantity ( V MAINS) at the second power supply terminal ( T L), the detection arrangement ( 210,220) comprising: a coupling element coupling the first driving terminal ( A 1) to the second load terminal ( T 2), and a control unit coupled to the first driving terminal ( A 1), and to at least one between the second load terminal ( T 2) and the second power supply terminal ( T L), the control unit being further configured for determining dispersion of electric power towards ground in the electric load according to the detected electrical quantities, and wherein: - the electric appliance comprises a washing machine, a drying machine, or a washing/drying machine; - the electric appliance comprises a rotating drum adapted to house laundry to be washed and/or dried, and - the electric load comprises an electric motor for drum rotation. - the electric appliance comprises a washing machine, a drying machine, or a washing/drying machine; - the electric appliance comprises a rotating drum adapted to house laundry to be washed and/or dried, and - the electric load comprises an electric motor for drum rotation.