Re: O/T Phone wiring hookup

Posted by vitzarus on January 13, 2007 at 11:43:57 from (67.72.98.86):

In Reply to: O/T Phone wiring hookup posted by 37 chief on January 13, 2007 at 11:05:46:

You will find something on the order of 24-28 v between any two wires. It was for a long time black and yellow It may be red/green now for there are new standards. at one point there was ring current which was quite a bit to ring the many more phones nowadays but then most are solid state. This voltage is not pure DC so had to be looked at as AC. So get a meter and put it on AC low range and detect between two wires a reading around 28v. Check each of these to ground first by going upto AC high on the meter and check and step that down to where only some milivolts are present. Check the other wire. It should be the same. Ther is only now a flip of the two to get you started if it doesn"t work the first time.

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