You Have Discovered a Common Mode Current on the Metallic

question 27

Multiple Choice

You have discovered a common mode current on the metallic cable sheaths of your building riser cables. What is the MOST likely cause for you to investigate?

• A) Lack of cable protection
• B) Two separate and distinct ground references
• C) Improper secondary protection
• D) Improper physical protection of cable
• E) Improper placement and/or termination of cables

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