[TowerTalk] Sparky Pays a Visit

Jim Brown jim at audiosystemsgroup.com
Wed Aug 3 14:37:57 EDT 2005

On Wed, 03 Aug 2005 11:28:18 -0700, Jim Lux wrote:

>They can add things to the concrete mix to 
>enhance the conductivity as well (used in, for instance, electric railroad 

In some installations, concrete very LOW conductivitity is desired. Examples are 
electric railways and sidewalk heaters, where the concrete may serve as an 


More information about the TowerTalk mailing list