a little help please

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1

Originally Posted By: senomoto
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http://www.nachi.org/bbsystem/usrimages/P/P1010245.JPG ]

–
Stephen Enomoto


Horizon Home Inspection LLC


“You expect the Best . . . We’ll provide no Less”

2

Originally Posted By: Jay Moge
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those disks look like some sort of interferienc limiters. mayby to cut down the magnetic field threw induction to minimize noise in electronics??? eusa_think.gif

3

Originally Posted By: Greg Fretwell
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Those are current transformers and the other 3 leads are measuring voltage. I bet there is some kind of energy monitor somewhere.

4

Originally Posted By: Jay Moge
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so you say their reading threw induction and monitored elsewere? sound good to me. I’ll ask my electrician.

5

Originally Posted By: rcooke
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Greg Fretwell wrote:
Those are current transformers and the other 3 leads are measuring voltage. I bet there is some kind of energy monitor somewhere.


Correct good call.

Be Happy Join NACHI. Roy Cooke sr............ RHI

--
Roy Cooke Sr.

http://Royshomeinspection.com
6

Originally Posted By: Greg Fretwell
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Yup Jay, you see CTs used on most services over 400a or to drive the meter. These are just a smaller version used for some kind of monitoring. I have some even smaller on my motion lights that will feed a low voltage monitoring system I am setting up.

7

Originally Posted By: Jay Moge
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cool. sound like a fun project.

8

Originally Posted By: rcooke
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CT are great for magnetizing a screw driver.


Put a steel screw driver in the centre of the coil touch the two leads to a Direct Current supply


(example a car battery) you now have a magnetized screw driver.


To demagnetize it put the screw driver in the coil and touch the leads to an AC supply and you have returned it to a regular driver .
Highly recommend you do not use 120 volts for this .
A bell transformer should do it .
Does not have to be a CT just about any coil will do and for DC a flash light battery works too.

--
Roy Cooke Sr.

http://Royshomeinspection.com