USB is terrible for EMC
And a plasma ball is basically impossible to make compliant with EU EMC.
A lot of (cheaper and USian) kit is right on the borderline for immunity, so combining all three is really asking for trouble.
And a plasma ball is basically impossible to make compliant with EU EMC.
A lot of (cheaper and USian) kit is right on the borderline for immunity, so combining all three is really asking for trouble.