Knob and tube wiring replacement costs are higher than many other home improvement projects at $24,300 on average or between $12,000 and $36,600. Homeowners can expect home size, accessibility of the ...

Q We purchased our home in July 2005. The house is about 120 years old and in great shape, but there’s a ton of knob-and-tube wiring. Someone mentioned recently that homes must have most or all of it ...

Knob-and-tube wiring can be found in homes from the early 1930's and older. It gets its name from the cloth wrapped hot and neutral wires that travel separately and use white porcelain knobs and tubes ...

All these things can be major fire hazards. Add in the potential for deterioration due to age (sagging wires, fraying or crumbling insulation around the conductors, etc.), and some insurance companies ...

I’m buying a house in an older neighborhood to set up as a rental unit. The house has the older style knob and tube wiring, which is visible in the attic. I’d like to add insulation to the attic to ...

Q: We purchased our home in Palmyra, Pa., in July 2005. The house is about 120 years old and in great shape, but there's a ton of knob-and-tube wiring. Someone mentioned recently that homes must have ...

Q: The house we bought in 2005 was built in 1900. We have done our best to update the electricity by removing knob and tube wiring in the basement and all that is accessible in the attic. Our ...

Where knob-and-tube conductors pass through wood cross members in plastered partitions, conductors shall be protected by noncombustible, nonabsorbent, insulating tubes extending not less than _____ ...