Electrician Red Seal · Question
A Red Seal Electrician is installing NMD90 cable in a concealed location where rodents are a known issue. Which of the following installation methods is MOST effective to protect the cable from damage?
Rigid PVC conduit provides a physical barrier that rodents cannot easily chew through, protecting the NMD90 cable. Staples and tight securing offer limited prot
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Question: A Red Seal Electrician is installing NMD90 cable in a concealed location where rodents are a known issue. Which of the following installation methods is MOST effective to protect the cable from damage?
Answer options: ✅ Running the cable through rigid PVC conduit.
- Using steel staples with protective inserts.
- Applying rodent repellent spray to the cable jacket.
- Ensuring the cable is tightly secured to wooden framing.
Correct answer: Running the cable through rigid PVC conduit.
Explanation: Rigid PVC conduit provides a physical barrier that rodents cannot easily chew through, protecting the NMD90 cable. Staples and tight securing offer limited protection, and repellent sprays are generally not reliable for long-term cable protection.
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