Hell, I’ve even seen people rip them off to fit 3 prong plugs into 2 prong extension cords. I’m sure it’s not safe, but I dont know why and why they would be necessary sometimes and sometimes not.
In: Engineering
The 3 Prongs correspond to 3 different wires in the plug. The main one is the Live wire, in which the current flows through to go to the appliance. The second is a neutral wire which has no charge/current compared to the Live one. And finally the top prong is the earth wire which also has no charge, but is a form of prevention in the case of a surge of current through the plug and touches the metal casing, this allows for the current to be ‘earthed’ instantly reducing the current flowing.
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