Re: Looking for an 18KV distribution arrester

["Tesla list" <tesla@xxxxxxxxxx>]

Original poster: FIFTYGUY@xxxxxxx 

In a message dated 4/28/07 7:56:22 P.M. Eastern Daylight Time, 
tesla@xxxxxxxxxx writes:

>I've also got a dozen or so 3kV
>ceramics the size of soda cans.  These latter ones are
>brand new in boxes with mounting hardware.

    Those wouldn't happen to be the "Kearney" arrestors, would they? 
A local surplus buddy of mine gave me one to check out. 3kV, new in 
the box with hardware. He has a bunch.
    I've posted this before, but I'll say it again:

    I dissected one of those 3kV Kearneys, after I tested it with a 
NST. Did its job with the NST across it. However, when I dissected 
it, I found a .22 LR blank was designed into it. I presume when the 
current level gets high enough, the blank is supposed to blow the 
endcap off the thing and quench the arc.

    So be careful how you mount those.

-Phil LaBudde




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