Why Wall Phones Don't Need Batteries

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Hidden Electricity

Wall phones do not need batteries or need to be plugged into a power outlet. Why is this? Because the average phone outlet has between 30 to 70 volts of electricity running through them. The type of electricity is AC (Alternating Current) which is what all house hold appliances run on.

Utilizing this Electricity

Here is a video that tells you how you can utilize this energy in emergencies. I would not recommend using this to charge cell phones or iPods. Here is why. When a phone rings, the electicity pulses. This is fine for what kipkay in the video suggests, but I would not risk the pulsing charge frying a expesive peice of equipement.

http://www.youtube.com/watch?v=WoaLGvJkoP8&feature=PlayList&p=748B57E36F33A3C1&index=7

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Comments 4 comments

BrianS profile image

BrianS 7 years ago from Castelnaudary, France

Never would have thought to use a telephone line for free electricity.


Tom King 7 years ago

Pardon me! All household appliances run on DC power? I don't think so. They operate on AC power.


ibbarkingmad profile image

ibbarkingmad 7 years ago from Utah Author

Thank you Tom King for correcting me. I mix things up at times and this was really whipped out fast. I lover hearing from others, so keep commenting! Thank you!


ibbarkingmad profile image

ibbarkingmad 7 years ago from Utah Author

Yet another correction, "I love hearing from others..."

Sorry for the poor spelling.

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