SI 32 plugs have no sleeve insulation, so when a plug is partly eradicated its prongs should still be powered although they can be touched by smaller fingers, metal objects, etcetera., with a chance of electrical shock. In modern installations in Italy (As well as in other nations around the https://types-of-microphones-used97384.diowebhost.com/84508591/types-of-electrical-cord-plugs-options