MadSci Network: Physics
Query:

Re: Can a person be electrocuted if a cordless phone falls in their bathtub?

Date: Sun Feb 9 16:31:20 2003
Posted By: Dwayne Rosenburgh, Senior Electronic Engineer
Area of science: Physics
ID: 1044573001.Ph
Message:

For this one, your husband is correct; a person will not be electrocuted 
if a cordless phone is dropped into the bathtub with them.  In general, in 
order to be electrocuted your body must complete an electrical path or 
circuit.  In other words, your body must be between two electrodes.  Also, 
the voltage source must be able to force a sufficient current through your 
body.  These situations are not brought about by dropping a cordless phone 
into a bathtub.  It is not likely (nearly impossible) that the battery in 
a cordless phone (typically around 3.6 V) would be able to cause a fatal 
current in your body.

You may search the Mad Scientist archives for related postings similar to 
this topic.


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