Original poster: Rich Simpson <richcreations@xxxxxxxxx> I always heard it as "knob and tube" wiring, and my house is full of it... (Victorian house, built 1883. electrified 1910) but perhaps I am wrong... -rich On Jun 10, 2006, at 11:44 AM, Tesla list wrote:
Sort of sounds like the insulating tubes used in "knob and cleat" writing but probably smaller.