Do You Notice Problem of Aluminum Enameled Wire?

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    One of the things you may encounter concerning the electrical work in your home is Aluminum Enameled Wire. In many cases, it may not be possible for the homeowner to be sure if he has aluminum wiring, since some copper wiring can be coated with aluminum, and some aluminum wiring is covered with copper. The age of the home is a better indicator: any house built between 1965 and 1970 should immediately be suspected of having aluminum wiring.

    History
    See the color? That’s one tip-off that you may have aluminum wiring.
    See the color? That’s one tip-off that you may have aluminum wiring.

    During the Vietnam War, when copper became very scarce, homebuilders were given the option of using aluminum wiring. Aluminum is an excellent conductor and performs well under a variety of circumstances. The problem was that no one followed through with the builders to ensure they were using outlets and switches specifically approved for aluminum wiring usage.

    Aluminum wiring is successfully used in many applications but causes problems when one of those is the branch wiring of your home. Branch wiring is that which travels from your circuit breaker box to outlets and switches. The reason is two-fold, and not without exceptions.

    The problems

    The problem is the junctions, such as at outlets and switches. Since aluminum is soft, when it gets warm (such as when you use a hair dryer or heating pad), it expands. When it cools, it contracts. Because there is such a difference, it leaves a tiny bit of space when it contracts again unless the connection is made for aluminum wiring. This constant expansion and contraction will loosen both the receptacle and the circuit breaker box connections over time. Loose connections create arcing, which creates a fire hazard. A home with aluminum wiring is fifty-five times as likely to have a wiring fire than other homes.

    Also, aluminum wire oxidizes over time if it isn’t treated or coupled to a receptacle or outlet marked CO/ALR, rated for both copper and aluminum. Another problem is wiring junctions, which aren’t supposed to be uncovered in a home setting, but many homes have them in spite of this rule.

    The third problem is moisture. Even a small amount of moisture can cause corrosion. Corrosion is another fire hazard.

    Solutions
    If a home has aluminum wiring, it depends on the structure and size as to what the solution may entail. It also depends on the homeowner’s wishes and insurance company requirements. The crucial point which the homeowner who faces an aluminum wiring situation must gather from this post is that the aluminum wiring problem isn’t going to go away on its own, even if it has successfully managed to avoid causing a fire up until this point. As time goes on, it becomes progressively more susceptible to failure. If you have aluminum wiring, give us a call. We can help you decide on how to proceed.

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