Topband: Gas well pump motor

[GEORGE WALLNER]

On Sun, 03 May 2009 19:51:08 -0700
  "Jim Brown" <jim at audiosystemsgroup.com> wrote:

> Two important steps to fix this. They are additive. 
  
Jim,

A third method is shielding the AC cables going to the 
motor. There is a special shielded VFD cable available but 
it is amazingly expensive. I found that RG213 coax works 
great. You need to use three separate cables, one for each 
phase, and tie the shields together and ground them.

George
AA7JV