Practice Quiz

Red Seal Construction Electrician

Category - Analysis & Reporting

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Which of the following statements about knob-and-tube wiring is NOT true?
  1. It always has to be removed if identified.
  2. It is not permissible in new homes.
  3. It has no inherent safety risks.
  4. All of the above
Explanation
Answer: A - Knob-and-tube wiring does not always have to be removed if identified. Knob-and-tube wiring is no longer used in new construction. However, if it is found in older homes, it may not have to be removed. It depends on the city code. That being said, it is important to know the possible risks associated with this type of tubing even if the risks are not inherent.
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