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RCDD · Question #10
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?
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Bonding, Grounding and Electrical Protection
Question
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?
Options
- ALack of cable protection
- BTwo separate and distinct ground references
- CImproper secondary protection
- DImproper physical protection of cable
- EImproper placement and/or termination of cables
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Topics
#common mode current#ground reference#cable sheath#bonding