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BICSI RCDDv14.1 Exam - Topic 1 Question 10 Discussion

A MINIMUM separation distance of 305 mm (12 in) between telecommunication cables and power cables with EMI exceeding 5 kVA is acceptable in which of the following cases?
A) Power cables are unshielded, while telecommunication cables are enclosed in a grounded metal conduit pathway.
B) Power cables are unshielded, while telecommunication cables are enclosed in a non-metal conduit pathway.
C) Power cables are unshielded and enclosed in a grounded metal conduit, while telecommunication cables are enclosed in a grounded metal conduit pathway.

BICSI RCDDv14.1 Exam - Topic 1 Question 10 Discussion

Actual exam question for BICSI's RCDDv14.1 exam
Question #: 10
Topic #: 1
[All RCDDv14.1 Questions]

A MINIMUM separation distance of 305 mm (12 in) between telecommunication cables and power cables with EMI exceeding 5 kVA is acceptable in which of the following cases?

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Suggested Answer: A

by Roxane at Mar 24, 2023, 12:22 PM

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Vashti
9 months ago
Totally agree with Sharita on this one!
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Felicitas
9 months ago
Wait, are we sure 305 mm is enough? Seems risky.
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Dorethea
9 months ago
C sounds right to me. Both need to be grounded.
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Dominga
10 months ago
Definitely B! Non-metal conduit won't help much.
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Sharita
10 months ago
I think it's option A. Grounded metal conduit makes a difference.
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Stephaine
10 months ago
I’m a bit confused about the specifics, but I recall that unshielded cables are more susceptible to EMI, so maybe A or B could be risky?
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Ronna
10 months ago
I practiced a similar question, and I think C might be the right choice since both cables are in grounded conduits, which should minimize interference.
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Pura
10 months ago
I'm not entirely sure, but I feel like non-metal conduits wouldn't provide enough protection, so B seems less likely.
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Nan
10 months ago
I think I remember that grounded metal conduits can help reduce EMI, so maybe option A is correct?
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Margot
10 months ago
I'm a little confused by the wording of the options. I'll need to think this through more carefully before selecting an answer.
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Sherman
10 months ago
Okay, I remember learning about portlets in class. I think I know the right answer, but I'll double-check the details just to be sure.
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