Aluminum Branch Wiring in 1965–1973 Homes Explained
Wired from 1965 to the mid-1970s. Why CPSC links it to overheating and what counts as a permanent repair.
Electrical & Heating
Knob-and-tube, aluminum branch wiring, older panels and heating systems in older US homes.
Knob-and-Tube Wiring: Years Used and Insurance Problems
Common from about 1880 to the 1940s. How to spot knob-and-tube, why insurers balk and what to ask before you buy.