Silly me...I thought you were referring to the dog that peed on the exposed wire... :-)
Jeff Broadwick ConVergence Technologies, Inc. 312-205-2519 Office 574-220-7826 Cell [email protected] > On Nov 11, 2015, at 10:45 AM, Chuck McCown <[email protected]> wrote: > > Electrically speaking, back in olden times of party lines etc, the ringer in > the phone was connected between the ground and Tip or Ring. So each phone > had a red, green and yellow wire. Two wires were not good enough. You > needed the yellow ground wire or the ringer would not work. On a two party > line, one ringer would be on tip to ground with the other ring to ground so > each party only heard their own ring. There were other methods of making > you only hear your own ring as well, frequency selective ringers were a > popular method. > > With the ground wire broken and connected to the dog, the 90 VAC 20 Hz > ringing current had to pass through the dog for the phone to ring. > > Two wire phones in use today use what is called bridged ringing where the > ringer is connected to tip and ring. > > But I will bet that if you connected a phone or a ringer from ring to ground > it would still ring.
