knob and tube

A form of knob-and-tube — Of or pertaining to a type of electrical wiring consisting of insulated conductive copper wire affixed by porcelain hardware and protected in vulnerable areas by insulated cloth sleeving. Widely used in North America during the late 19th and early 20th centuries.

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Meanings

adjectiveknob and tube (not comparable)
  1. alternativenot comparableAlternative form of knob-and-tube.
Cite this entry
APA

knob and tube. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/knob%20and%20tube

MLA

“knob and tube.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/knob%20and%20tube. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “knob and tube,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/knob%20and%20tube.

Source: knob and tube on Wiktionary, CC BY-SA 4.0.