The Earth Pin: Why it’s longer than the restThe life-saving sequence hidden in your wall socket

From the show

Why it looks like that

Standard three-prong plugs feature a deliberate asymmetry where the grounding prong protects you before power connects. This design enforces a safety protocol known as first-make, last-break. By connecting to the ground first and disconnecting last, this mechanism directs stray current away from the user during the plugging process.