How a GFCI outlet works

Kategorie: Wissen und Wissenschaft
Kanal: BrainStuff
Datum: 3. Oktober 2008, 18:00
Stufe: B1-B2 (Mittelstufe)


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A normal 120 volt outlet in the US has two vertical slots and a role hole centered below the slots -- the outlets with a pair of red and black 'test' and 'reset' buttons are known as GCFI outlets. Check out this HowStuffWorks podcast to learn more.