On Fri, 07 Mar 2008 01:14:18 GMT, "*alan*"
wrote:

Not technically a home repair topic, but:

Do the holes in the prongs of an electric plug serve any purpose? If so,
what is that purpose?
Thanks for any information.

I have one extension cord that uses those holes to lock the plug in
place.
--
Mark Lloyd
http://notstupid.laughingsquid.comi
"I have found Christian dogma unintelligible. Early
in life I absented myself from Christian assemblies."
-- Benjamin Franklin