Knob and tube wiring

English: Knob and tube wiring was one of the earliest ways to distribute electricity throughout a building.

<nowiki>knob-and-tube wiring; がいし引き工事; سیم‌کشی با مقره و لوله; style of electrical wiring; سبکی از سیم‌کشی برق; K&T; knob and tube wiring; knob & tube wiring; کی‌اند‌تی</nowiki>

knob-and-tube wiring 

style of electrical wiring
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Wikipedia
Instance of	electrical system design
Subclass of	electrical wiring
Named after	electrical knob (knob-and-tube) electrical tube (knob-and-tube)
Authority file  Q6422712 Reasonator Scholia Wikidocumentaries KML file Search depicted

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  Knob, tube, and splice
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  Knob supporting a corner
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  Knob supporting a splice
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  Knob supporting a long run of wire
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  Knob serving multiple functions
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  Ceramic tubes
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  Ceramic junction for light socket
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  Splice with modern power outlet
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  Knob and tube in a 1930 home