Knob and Tube wiring was installed in homes from about 1880 to 1940. This type of wiring has no grounding conductor and the insulation surrounding the wire is itself a fire hazard. There are toomany reasons that this wiring is unsafe today to possibly mention them all. Knob and Tube wiring is not allowed in any new construction and many insurance companies are now denying coverage to homes with Knob and Tube wiring. This wiring was never designed to meet the needs of today's electrical devices. It's age alone is more than enough reason to replace it.
Read More >