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Improper alterations are the most consistent problem I find with knob and tube wiring, and they pose a significant safety hazard. Unfortunately from a safety standpoint, the electrical system is one of the few things in a home that can be installed completely wrong and still...
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www.oldhouseweb.com/how-to-advice/knob-and-tube-wiring....
www.oldhouseweb.com/how-to-advice/knob-and-tube-wiring.shtml
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B. Overview of Knob-and-Tube Wiring ; Knob-and-Tube wiring was the predominant wiring system through the 1920 s and 1930 s; some installations of knob-and-tube wiring continued in houses up until 1950. There are several distinguishing characteristics of knob-and-tube wiring in comparison to current wiring methods:
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www.knobandtubewiring.com/
www.knobandtubewiring.com/
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Is knob and tube wiring adequate for modern living? Is your home's electrical service panel adequate? Here's a guide to inspecting older wiring. ... Note whether knob and tube wiring splices are mechanicallytwisted, soldered, and taped, as required. Knob and tube wiring should bereplaced during rehabilitation;
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www.oldhouseweb.net/stories/Detailed/10327.shtml
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Our 1915 house still has knob and tube wiring. The owners claimed they updated the electrical in 1984, but all they did was put in a new box and didn't completely rewire. The house has plaster and lathe walls, so rewiring is not an easy task.
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www.thathomesite.com/forums/load/oldhouse/msg0713330717...
www.thathomesite.com/forums/load/oldhouse/msg0713330717407.html?14
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Questions: Knob and Tube Wiring ... Has anyone run into having to replace all or part of their Knob and Tube Wiring? This would be in homes ... Another thing I was told at the time was if I was going to insulate the walls, I should be sure to replace because apparently Knob and Tube wiring needs to "breathe" .
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www.houseblogs.net/community/comments.php?DiscussionID=...
www.houseblogs.net/community/comments.php?DiscussionID=387
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Knob and tube (K&T) wiring is a very early system of wiring common in homes from 1880's - 1930's. Some inspectors seem to think that there is something ... Posted in Announcements, Education, For Inspectors, Staff Blog ( tagged K&T Wiring, knob and tube wiring, know wiring, tube wiring) ; Comment on this post »...
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www.nachi.org/blog/2009/07/new-article-on-knob-and-tube...
www.nachi.org/blog/2009/07/new-article-on-knob-and-tube-wiring/
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"What is Knob and Tube Wiring and what concerns are associated with it?" ... Knob and tube wiring was installed in houses up until about 1950. This system consists or two wires, one black or hot wire and the other white or neutral to create a circuit. These two single wires are held in place with ceramic knobs and tubes.
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www.home-inspectors.com/knobandtube.htm
www.home-inspectors.com/knobandtube.htm
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Knob & tube wiring is a type of wiring which was in common use until the 1940's and sometimes used as late as the 1950's. The nick-name is derived from the ceramic knobs that are employed to insulate and secure the wiring runs and the ceramic tubes employed to protect the wires where they pass thru potentially...
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www.allaroundthehouse.com/lib.def.na10.htm
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