A "megger" is typically used to test continuity to earth ground.  I
sometimes do a quick check between my equipment chassis and the ground slot
in a three prong receptacle.  But that is a very generic test.  If I'm
concerned about noise or something, I get out an o'scope.

Joupin wrote:
> 
> Dear All,
> As u know some of the Cisco products such as NM-16AM requires a
> clear a nice
> Earth and should be ground  very well ,
> 
> Now I wanna ask any of you that , How can I measure earth and
> see that if
> the earth of building is ok or not,
> I dont wanna spend much to but earth tester  , I wanna do this
> By a
> voltmeter
> 
> Any respond appreciated
> 
> Regards
> Joupin
> www.joupin.com
> 
> 




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