For questions about Knob and Tube electrical wiring throughout the home. Sometimes abbreviated as K&T.
3
votes
2answers
1k views
How can I attach modern fixture to knob & tube wiring?
I have a modern external light fixture that needs to be attached to an existing exterior electrical 'box'. The older parts of the house have knob & tube wiring and there is evidence of gas ...
10
votes
2answers
964 views
Can disconnected knob-and-tube wiring be left in place?
The house I recently bought (over 100 years old) has had almost all of its wiring replaced with a new elctrical board. However, in two cases the new wiring has been connected to existing knob-and-tube ...
2
votes
1answer
691 views
How to determine what 3-way switch system was used?
How can I tell if an old Knob & Tube 3-way switch is still legal by the modern NEC? Specifically I am trying to tell if my switch is a "California 3-way" (or "Coast 3-way", "Hollywood 3-way", ...
5
votes
1answer
856 views
I am removing some Knob and Tube wiring. Can I leave the NEUTRAL wires hanging in the walls?
I am renovating my bathroom. I am bringing in new circuits for all the electrical, and replacing the boxes.
I will have no problem capping off/removing the live (black) knob and tube wires in boxes.
...
6
votes
4answers
1k views
Can I replace an outlet that uses knob and tube wiring with a grounded outlet?
Can I replace an outlet that uses knob and tube wiring with a grounded outlet? Obviously the best choice would be to replace the old wiring. Is there a standard way to ground these outlets? Do I need ...
11
votes
3answers
414 views
20
votes
6answers
4k views
Should old knob and tube wiring be replaced?
I have been doing some electrical work in my house and I noticed it has old knob and tube wiring that is still hot, should this be replaced as found or is it fine to just leave it? It seems really ...
