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	Podcast:		BrainStuff
	Episode:		Why do the plugs on some appliances have two prongs and others have three?
	Category:		Science & Medicine
	Duration:		00:02:54
	Publish Date:		2015-05-20 20:23:37
	Description:		When you look at a normal 120-volt outlet in the United States, there are two vertical slots and then a round hole centered below. Take a look at this HowStuffWorks article to learn why appliance cords are shaped this way. Learn more about your ad-choices at https://www.iheartpodcastnetwork.com See omnystudio.com/listener for privacy information.
	Total Play:		0