أنشئ حسابًا أو سجّل الدخول للانضمام إلى مجتمعك المهني.
third prong is connected to your electrical appliances.charge builds up on the appliances when you touch it bites you.that's electrical discharge going through the appliance.you and in ground.so the the third prong is needed to flow the current to the ground.and safe youself from a big shock.
to make discharge for any excessive charges on your electrical devices
To discharge excessive charges from electrical device.
