BICSI
RCDD · Question #37
RCDD Question #37: Real Exam Question with Answer & Explanation
The correct answer is D. Uses flexible conduit to access wall outlets. Identifies which conduit installation practice is NOT acceptable per ITS conduit design standards, distinguishing prohibited uses of flexible conduit from required design practices.
Question
Which of the following is NOT considered acceptable in an information technology system (ITS) conduit design and installation?
Options
- AContains no continuous sections longer than 30 m (100 ft)
- BBonded to ground on one or both ends in accordance with national or local code requirements
- CWill withstand the environment to which they were exposed
- DUses flexible conduit to access wall outlets
- EAvoid routing conduit over or adjacent to heat sources
Explanation
Identifies which conduit installation practice is NOT acceptable per ITS conduit design standards, distinguishing prohibited uses of flexible conduit from required design practices.
Common mistakes.
- A. Limiting continuous runs to no more than 30 m (100 ft) is a required design constraint under ITS standards to reduce cable-pulling tension and friction, making it an acceptable practice.
- B. Bonding conduit to ground on one or both ends per national or local code is a mandatory safety and EMI mitigation requirement, making it an acceptable and expected installation practice.
- C. Conduit must be rated to withstand its installation environment - this is a fundamental material selection requirement for any ITS pathway, not a prohibited practice.
- E. Avoiding routing conduit over or adjacent to heat sources is a required cable protection measure to prevent thermal degradation of cables and maintain signal performance.
Concept tested. ITS conduit design acceptable vs. prohibited practices
Reference. https://tiaonline.org/what-we-do/standards/
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