What does it do? Why is it needed?
In: Engineering
Those are GFI (Ground fault inhibitor) outlets.
Essentially they have a circuit breaker right there in the outlet. It’s to protect you from electrocution. Usually they’re required when the outlet is near water like in bathrooms and kitchens.
The breaker in the outlet can respond quicker than the main breakers back at the electrical panel in the basement and thus reduce the chance you’ll die!
The reset button is to reconnect the circuit breaker if it has tripped.
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