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Coupling noise to the cable using CT

Tags: #<Tag:0x00007f6e03dbeea8>

I need to know, will the noise signal(White noise) giving at the secondary side of CT, couple to the cable ? (I am using 50/5A CT)

Please explain in more detail what your concern is. I don’t fully understand what you are asking. Are you asking about coupling noise from the mains into your measuring device, or coupling noise from your measuring device back into the mains?