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Why do electric plugs have holes?

EPISODE · Aug 8, 2014 · 2 MIN

Why do electric plugs have holes?

from BrainStuff · host iHeartPodcasts

You might have noticed that plugs for electric appliances have two holes. There are three reasons for these apertures -- find out what they are in this podcast from HowStuffWorks.com. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

What this episode covers

You might have noticed that plugs for electric appliances have two holes. There are three reasons for these apertures -- find out what they are in this podcast from HowStuffWorks.com.

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Why do electric plugs have holes?

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How long is this episode of BrainStuff?

This episode is 2 minutes long.

When was this BrainStuff episode published?

This episode was published on August 8, 2014.

What is this episode about?

You might have noticed that plugs for electric appliances have two holes. There are three reasons for these apertures -- find out what they are in this podcast from HowStuffWorks.com. Learn more about your ad-choices at...

Is there a transcript available for this episode?

Yes, a full transcript is available for this episode. You can read the complete transcript on the episode page.

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