Knob and tube, aka “open wiring” or “K&T”, was installed in most homes up to 1950.
More and more frequently insurance companies are refusing to insure homes with 60 amp services, knob and tube wiring, and in some cases, even aluminum wiring. Does this mean these types of components or systems are categorically dangerous?
The A-Z of housing terms from Canada Mortgage and Housing Corporation (CMHC)
Gil Strachan is a professional home inspector, representing Electrospec Home Inspection Services in east-central Ontario since 1994.