[GreenKeys] Wiring inside a 19 table - copper or aluminum?

[E.]

One last update about the 19 table - the wiring is for sure copper… the copper is just tinned.  The previous owner, who did some modifications to the table, had some aluminum lamp wiring on and around the 14TD contacts on the table… yikes ;o !!!~


> On Aug 18, 2019, at 6:21 pm, E. <hanyou at xsmail.com> wrote:
> 
> 
> I’ve finally been able to look at the 19 table a bit more and the telco single-strand wiring is copper - so that’s good news.  Something I read about older writing from around the time the table was made:  It was standard practice around then to hot-dip copper wire, to coat them (for whatever reason, I probably forget)… so that may be why many of the wires at the sockets are silvery in color.
> 
> 
>> On Aug 16, 2019, at 2:47 pm, Robert Downs via GreenKeys <greenkeys at mailman.qth.net> wrote:
>> 
>> As best I can recall, the aluminum wiring fiasco didn't start until maybe the 1970's, by which time the 19 Set was long out of production.  So if there is any aluminum wiring in your table, is isn't original.
>> 
>> Robert Downs
>> 
>> 
>> -----Original Message-----
>> From: greenkeys-bounces at mailman.qth.net [mailto:greenkeys-bounces at mailman.qth.net] On Behalf Of E.
>> Sent: Friday, August 16, 2019 13:08
>> To: Thomas Tillson via GreenKeys
>> Subject: [GreenKeys] Wiring inside a 19 table - copper or aluminum?
>> 
>> 
>> 
>> �from what I read, there are several types of wire used - type af solid (asbestos), type rf and brown telephone wire.  I�m assuming that most, if not all, is copper???
>> 
>> The table I�m looking at is the same as this wiring diagram here:
>> 
>> http://www.navy-radio.com/manuals/tty/tty28-S-22c.jpg
>> 
>> A few wires need rewiring, due to some modification - don�t want any metal mismatches in there ;p .  Thx ^^ !
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