Just about every "alphabet" group you can think of recently took part in a survey of older homes, and their electrical systems.
30 homes, slated for demolition, were examined from service drop to outlet. Components were sent to a lab for further examination and testing.
With the NFPA asserting over 24,000 household fires - and a disproportionate share of these being in homes older than 40 years - are caused by the electrical system, what causes do you think the study found?
(I'm cheating ... I have a preliminary draft of the report ... I just want to see what "conventional wisdom" thinks