Observe also that Should you have a grounded plug with 3 prongs, you must use a three pronged outlet. Actual physical compatibility on the plug and socket does not make sure right voltage, frequency, or current ability. Not all plug and socket households have letters within the IEC tutorial, but https://type-of-electrical-plugs11963.bloggerswise.com/36022489/facts-about-power-plug-types-revealed