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Measuring Riddle No.2 - Measurement of Armoured Single Core Cables
Can you simply place an single phase armoured cable through a suitably rated tordial CT and expect to get an accurate measurement?
Author : Ducktails
 
#1
Wed, June 30th, 2010 - 15:09
Yes if metallic cable cover (armor) not be grounded. If grounding of armored cable is instructed, for correct measuring, we shall return additional grounding path within window type CT as illustrated below.



 
Author : Hamid - From: Iran- Firouzabad in Fars
 
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