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What Are the Dangers of Using Romex?

According to T.H.I.S. Home Inspector, incorrectly installed electrical wiring is a common reason for house fires. Romex is a common wire used in houses. It has a covering over the wires that is non-metallic. Romex must be installed properly to protect from a fire hazard.

  1. Significance

    • Electrical safety standards go through numerous changes -- approximately 1,500 every three years. A house that has 35-year-old wiring may not be safe due to a breakdown of the wiring coating or through new understanding of hazards. For example, 35 years ago wiring was rated for 60 degrees inside the sheath covering. However, attics and light fixtures are much hotter and provide potential safety hazards.

    Considerations

    • Using Romex for the wrong purpose can also present a safety hazard. For example, if you are wiring in a wet area such as outdoor lighting and you do not use wire rated for this purpose, it can create a hazard. Carefully check building codes for the proper size of Romex and the proper use.

    Installation

    • Installation precautions need to be taken when working with Romex. Romex needs to be attached to stubs and walls, typically using large staples. If the staple punctures the sheath on the wires, it can create a fire hazard.

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