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 ...

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 ...

The oldest wiring in an old house is knob-and-tube, installed between 1890 and 1910; however, some sources report installations as late as the 1930s.

If you live in an older home or are thinking about buying one, you might be surprised by what’s hiding behind the walls or ...

Knob and tube wiring began to be phased out in the 1930’s. Although this type of wiring is considered safe if it is in good condition and has not been added onto improperly, it deteriorates as ...

Most homes built before 1950 or so were wired using a system called "knob-and-tube." K&T wiring is a two-wire system (there is no ground wire); the wires run through porcelain tubes for protection ...

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.

Most insurers see homes with knob-and-tube wiring, aluminum wiring, and 60-amp service as high-risk, which prevents clients with those systems from easily obtaining home insurance.

Article 394 covers the use, installation, and construction specifications for concealed knob-and-tube wiring. Where knob-and-tube conductors pass through wood cross members in plastered partitions, ...