What is a ground? What is a happening to need a ground?
In: Physics
Everything in nature, including electricity takes the easiest path to get from point A to point B. Normally electricity is contained within hot and neutral wires. However when something goes wrong, the electricity can escape this natural path, and has to go somewhere. The ground wire makes it more likely that the electricity goes safely away from you and into the ground, rather than into your body.
This is how lightning rods work, they provide a quicker path for lightning to get where or wants to go, rather than hitting randomly and causing problems.
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