Possibly a UL...
This story was related by Pat Routledge of Winnepeg, ONT about an unusual
telephone service call he handled while living in England.
It is common practice in England to signal a telephone subscriber by
signaling with 90 volts across one side of the two wire circuit and ground
(earth in England). When the subscriber answers the phone, it switches to
the two wire circuit for the conversation. This method allows two parties
on the same line to be signalled without disturbing each other.
This particular subscriber, an elderly lady with several pets, called to
say that her telephone failed to ring when her friends called and that on
the few occasions when it did manage to ring her dog always barked first.
Torn between curiosity to see this psychic dog and a realization that
standard service techniques might not suffice in this case, Pat proceeded
to the scene. Climbing a nearby telephone pole and hooking in his test
set, he dialed the subscriber's house. The phone didn't ring. He tried
again. The dog barked loudly, followed by a ringing telephone. Climbing
down from the pole, Pat found:
a. Dog was tied to the telephone system's ground post via an iron
chain and collar
b. Dog was receiving 90 volts of signalling current
c. After several jolts, the dog was urinating on ground and barking
d. Wet ground now conducted and phone rang.
That's amazing. And funny.
posted on 07/05/2003 10:17:47 AM PDT
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