In article <1io3i5INNnat@MINERVA.CIS.YALE.EDU> shaffer-wendy@MINERVA.CIS.YALE.EDU (Wendy Shaffer) writes:
>Regarding the telephone in use light, the Feb issue of Popular Electronics has
>a schematic. Unfortunately, I'm completely unfamiliar with how the telephone lines
>work.
>The schematic shows two wires going to the telephone line. One of them is marked with the word "Tip" and a + sign. The other is marked with "Ring" and
>a minus sign. Could somebody fill me in on what these mean and how to identify
>one from the other. Thanks
Telephones nowadays run off of only two conductors. The red and green
wires are the most common. And if I remember correctly, red is tip, and
green is ring. (Someone correct me if this is backwards.)
Don't worry about hooking the circuit up backwards; the worst that will