• Adventure
  • Auto
  • Culture
  • Entertainment
  • Home & Garden
  • Money
  • Science
  • Tech
  • Video
  • Shows
  • Blogs
  • Quizzes
  • Games
  • Random Article
  • Computer
  • Electronics
  • Home / 
  • Tech / 
  • Electronics / 
  • Phones / 
  • Telephone Technology

MORE STUFF LIKE THIS:

How It's Made: Neon Signs
How It's Made: Neon Signs
TV Evolution Pictures
TV Evolution Pictures
Tech Talk: RAM Quiz
Tech Talk: RAM Quiz
10 Sci-fi Gadgets We Wish Actually Existed
10 Sci-fi Gadgets We Wish Actually Existed
  • Page
  • 1
    Why does the phone still work when the electricity goes out?
  • 2
    Lots More Information
  • Lots More Information

    Related HowStuffWorks Articles

    • How Telephones Work
    • How Wiretapping Works
    • How Batteries Work
    • How Emergency Power Systems Work
    • How Power Distribution Grids Work

    More Great Links

    • Theater of Electricity
    • ElectricityForum.com
    • U.S. DOE: Electricity
    Print
    Cite This!
    Close 
    Please copy/paste the following text to properly cite this HowStuffWorks article:

    "Why does the phone still work when the electricity goes out?"  01 April 2000.  HowStuffWorks.com. <http://electronics.howstuffworks.com/question62.htm>  27 May 2012.
    Cite
    Feedback
  • Page
  • 1
    Why does the phone still work when the electricity goes out?
  • 2
    Lots More Information
  • Popular Tech Topics

    The Ultimate Computer History Quiz
    The Ultimate Computer History Quiz
    Top 5 Myths About the Internet
    Top 5 Myths About the Internet
    How to Connect Your Computer to Your TV
    How to Connect Your Computer to Your TV
    How Capacitors Work
    How Capacitors Work
    How Cloud Computing Works
    How Cloud Computing Works
    Take a look at Computer Videos

    You Might Also Like

    Skype vs. Vonage

    Currently, there are several VoIP services on the market -- the two most well-known ones are Skype and Vonage. Although they both use VoIP technology, they're quite actually quite different from each another.

    Name That G: The Ultimate Wireless Networking Quiz

    Wondrous wireless connects gazillions of great gadgets to each other and to the Internet ether. But how much do you really know about wireless' inner workings?

    Popular Articles

    • How the Netflix Mobile App Works
    • How to Print Directly from Your Blackberry
    • Will the landline phone become obsolete?
    • MOST WATCHED
    • MOST READ
    • MOST WATCHED

      • Want to win a free Apple iPad? Upload your best pics!
      • Ultimate Computer Hardware
      • How It's Made
      • Cell Phone Tricks
      • Stuff to Blow Your Kid's Mind
    • MOST READ

      • How to Detect if Someone's Stealing Your WiFi
      • How to See Who Views Your Facebook Profile
      • 10 Myths About Video Games
      • Top 10 iPhone Apps for Your Car
      • How Stun Guns Work

    Don't Miss

    The Worst Time Travel Movie Ever
    The Worst Time Travel Movie Ever
    The most mind-blowing pic wins an iPad!
    The most mind-blowing pic wins an iPad!
    Stuff They Don't Want You to Know
    Stuff They Don't Want You to Know

    CHECK OUT OUR PODCASTS

    STUFF NATION NEWSLETTER THE HOW BEHIND TODAY'S NEWS
    HOWSTUFFWORKS
    • Adventure
    • Auto
    • Culture
    • Entertainment
    • Health
    • Home & Garden
    • Lifestyle
    • Money
    • Science
    • Tech
    MORE STUFF
    • Blogs
    • Games
    • HSW Tools
    • RSS
    • Maps
    • Podcasts
    • Quizzes
    • Newsletters
    • Video
    OUR WEBSITES
    • Animal Planet
    • Consumer Guide Auto
    • Consumer Guide Products
    • Discovery Channel
    • Discovery Fit & Health
    • HSW Brazil
    • HSW China HowStuffWorks China
    • Investigation Discovery
    • Oprah Winfrey Network
    • Planet Green
    • Science Channel
    • TLC
    • Discovery Education
    • Store
    CUSTOMER SERVICE
    • Advertising
    • Contact Us
    • Help
    CORPORATE
    • About Us
    • Careers @ Discovery
    • Privacy Policy
    • Visitor Agreement
    TAKE US WITH YOU
    FOLLOW US
    © 1998-2012 HowStuffWorks, Inc