Edward, Edward H. Eszlari wrote: > > If this is truly OPERATIONAL insulation per EN 60950..........why don't you > do the short circuit test per 5.4.4??
But the equipment will have to be able to withstand the Electric Strength test of EN60950/A4 Clause 6.4. Operational is being used because the equipment will meet the conditions applicable to table 19 where Basic is not required and can be replaced with Operational. Regards Richard
