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Thread: Aluminum wiring

  1. #1
    Join Date
    Oct 2010

    Default Aluminum wiring

    My house was built in 1972 and it has all aluminum wiring. I need to replace switches and outlets. Can I replace these with switches made for copper wiring? Or what do I need to look for at the hardware store?

  2. #2
    Join Date
    Jun 2007
    Fayette County, Ohio

    Default Re: Aluminum wiring

    You need to use devices that are al/cu rated or install copper pigtails with connectors like alumiconn http://www.alcopstore.com/order/ Some Lowes stores carry them also . Which ever way you go be sure to use an anti oxidation paste.
    Be sure you live your life, because you are a long time dead.-Scottish Proverb

  3. #3
    Join Date
    May 2008
    Pacific Northwet

    Default Re: Aluminum wiring

    Only devices rated 30A and higher are rated "CU/AL." Devices rated for 15 or 20A are rated "CO/ALR."

    At one time, 15 and 20A devices were rated CU/AL, but it was discovered that they still didn't provide a good connection, so a new style was devised and named CO/ALR (the R is for "Revised").
    The "Senior Member" designation under my name doesn't mean I know a lot, it just means I talk a lot.I've been a DIYer since I was 12 (thanks, Dad!). I have read several books on various home improvement topics. I do not have any current code books I can refer to. I was an apprentice plumber for two years.

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