> krw att.bizzzzzzzzzz> wrote:

>>In article <47CDEAD6.2D67BCF3@yahoo.com>, cbfalconer@yahoo.com
>>says...

>>> Foxtrot wrote:

>>>>

>>> ... snip ...

>>>>
>>>> Is there is a greaterlikelihood of hum if I connect a "2 wire"
>>>> phone extension by using one wire from a twisted pair and taking
>>>> the second wire from a different twisted pair?

>>>
>>> Yes. The idea of twisted pairs is that an interference appears on
>>> both lines, and thus tends to cancel itself. Separating the lines
>>> makes it easy for unequal induction.

>>
>>Twisting also makes the loop area low (average over a long stretch
>>is nil). Separating them makes a large loop, increasing the size of
>>the antenna.

> ...

> "CBFalconer" yahoo.com> wrote:
>
> [snip]
>

>> I replaced your non-standard (: :) quote markers with
>> the normal '>'. Please don't use thos non-standard
>> characters. They foul up other software.

>
> With respect, and without wishing to start a row, that's *your*
> problem. I use non-standard quote marks for a purpose. If your
> system can't cope with that, then it's up to *you* to do
> something about it. I have been using the quote marks I use for
> several years and you are the first to complain.

> CBFalconer yahoo.com> wrote:
>

>> In North America again (I don't know about elsewhere) the normal
>> phone uses 3 wires to connect to the two wires of the phone
>> circuit. The yellow wire carries the ring signal. Just
>> disconnect that and the phone won't ring, and the load is zero.

>
> I don't recall any system in North America that put ring
> voltage on a separate wire. The yellow wire is
> generally not connected unless one 4-wire cable is used
> for two separate telephone lines.
>
> In North America the "normal" line uses only 2 wires.
> The audio signal is applied between the "tip" and the
> "ring" of a single pair. "Ring Current" and "Loop
> Current" are also applied between the Tip and the Ring
> of the same pair.
>
> Commonly used drop cable has four wires: Green is the ...

>In article <87hcfkseyr.fld@apaflo.com>, floyd@apaflo.com says...

>> krw att.bizzzzzzzzzz> wrote:

>>>In article <47CDEAD6.2D67BCF3@yahoo.com>, cbfalconer@yahoo.com
>>>says...

>>>> Foxtrot wrote:

>>>>>

>>>> ... snip ...

>>>>>
>>>>> Is there is a greaterlikelihood of hum if I connect a "2 wire"
>>>>> phone extension by using one wire from a twisted pair and taking
>>>>> the second wire from a different twisted pair?

>>>>
>>>> Yes. The idea of twisted pairs is that an interference appears on
>>>> both lines, and thus tends to cancel itself. Separating the lines
>>>> makes it easy for unequal induction.

>>>
>>>Twisting also makes the loop area low (average over a long stretch
>>>is nil). Separating them makes a large loop, increasing the size of
>>>the antenna. ...

>
> With no respect,

>
> "CBFalconer" yahoo.com> wrote in message
> news:47CF3D42.810AA5C9@yahoo.com
> : : Ivor Jones wrote:
>
> [snip]
>
> : : I replaced your non-standard (: :) quote markers with
> : : the normal '>'. Please don't use thos non-standard
> : : characters. They foul up other software.
>
> With respect, and without wishing to start a row, that's *your* problem.
> I use non-standard quote marks for a purpose. If your system can't cope
> with that, then it's up to *you* to do something about it. I have been
> using the quote marks I use for several years and you are the first to
> complain.
>
> Ivor
> ...

>
> In alt.engineering.electrical Michael A. Terrell earthlink.net> wrote:
> | Ivor Jones wrote:
> |
> |>
> |> With no respect,
> |
> |
> | Plonk
>
> You should do that more often.