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 ...

Question: I live in a beautiful home in San Roque that was built in the late 1920s and it still has the old original knob-and-tube style of electrical wiring. The original fuse box was removed and ...

SAN FRANCISCO (KGO) -- Few of you have probably heard of knob and tube electrical wiring. But, it turns out you should know more, because insurance companies are now canceling and denying homeowners ...

Q: You have written that it is not possible to insulate over older knob-and-tube wiring in walls and attics. Many states have adopted amendments to NEC 324.4 to allow for exactly this practice. The ...

I thought I'd finished with writing about knob and tube wiring, but readers raised a couple of good points this week, so I'll go one more time. Knob and tube is the earliest of the electrical wiring, ...