On Oct 15, 1996 at 23:24 hrs, Poe Lim of 3:623/630 wrote to John Clarke:

Hello Poe,

JC>> What you need is a 3 pole arrestor.  These have a common chamber so
JC>> that both legs are grounded at the same time.  Don't get two

 PL> Is this a gizmo about 2cm by under 1cm dia? I was given one, told it 
 PL> was for protecting the phone line, but couldn't see how it worked...

It could be.  I'd need more info to be sure.  

As I said before an arrestor on its own is usefull but not the complete
solution.  A combination of arrestor, high speed zener diode and fuse is
probably the best solution.

Regards ... John
@EOT:

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