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Subject: ac ground and pe

Date: 05/05/03 at 8:41 PM
Posted by: poorguy
E-mail: northguy0110@yahoo.com
Message Posted:

I've got a big problem from "my instrument"(a similar 220-5V power supply):hot line has a RC(r=10ohm,and c=3.9uf) low pass filter,the same to neutral,so ac ground got 110V voltage,when I connected this ground to pe,a terrible thing happened:powering off?I want to measure output signal,I don't know how to approach ac ground,pe and the ground of analyzer?

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