How do I know if my building has aluminum wiring?
When did they stop installing aluminum wiring?
Between 1965 and 1973, aluminum wiring was used to install electrical branch circuits in about 1.5 million homes in the United States. Subsequent fires in some of these homes were attributed to faulty aluminum wire connections.
What type of wiring was used in 1978?
In the late 1970s, homes started to primarily use copper as the material for wiring. Most houses now contain non-metallic dry (NMD) cables for their wiring system — these cables contain three different conductors protected by a plastic shell.
Is it OK to buy a house with aluminum wiring?
Keep in mind that many insurance companies will not insure homes with aluminum wiring because they are so high risk, so don't make the purchase until you've secured coverage for the property as-is or found a company that will insure as long as you have an electrician make pre-approved modifications to make the property
Would a house built in 1977 have aluminum wiring?
Unfortunately, we now know today that aluminum wiring presents a high risk of electrical fire. If you're in the market for a resale home and any of your prospects were built between 1965 and 1972, there's a good chance that the home may have been wired with aluminum.