Applies to self-contained products primarily intended for industrial use, either indoors or outdoors that combine the following items within a single enclosure a fixed or portable socket-outlet according to IEC 60309-1 or IEC 60309-2 with a rated operating voltage not exceeding 1 000 V DC or 1 000 V AC with a frequency not exceeding 500 Hz and a rated current not exceeding 800 A, a switching device.