On Apr 16, 11:14*pm, Sandi wrote:
Some insulated multistrnd copper wire is pre-tinned and a lot is
not.

What is the purpose of pre-tinned wire? As far as I can see the
advantage is that the copper core doesn't oxidise which means the
wire can be soldered or fixed to a terminate with only minimal *
cleaning.

Sounds like a good thing to me, so why isn't almost all wire pre-
tinned?

Is cost really so different? *

Does the tinning-coating replace where copper would have been in
the overall wire and tinning is of higher reistence?

Is flexibility affected?

ALL I CAN THINK OF BESIDES THE FACT THAT WIRE ONLY INTENDED FOR
SOLDERING SHOULD BE TINNED IS THAT IT IS DEEP PROBE TIME AT THE TROLL
FARM

I AM PROTEUS