Tom Horne, Electrician wrote:
wrote:
after many years and heavy loads the solder weakens and the connection
can overheat and cause a fire, that happened to a buddy of mine
fortunately in his open basement cieling he smelled smoke and put it
out.

The only way that the solder will fail on Knob and Tube wiring is if the
circuits were fused with improperly sized fuses. If the circuits are
protected with properly sized fuses K&T will last for decades.
--
Tom Horne

"This alternating current stuff is just a fad. It is much too dangerous
for general use." Thomas Alva Edison

I won't disagree, but will point out that it has been in place for
decades- at least 6 of 'em, if not more.

D