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Exam RCDD-001 topic 5 question 12 discussion

Actual exam question from BICSI's RCDD-001
Question #: 12
Topic #: 5
[All RCDD-001 Questions]

You are designing a horizontal distribution system that will have a zone box located 71.6 m (235 ft) away from the telecommunications room (TR). A 50 mm (2 in) conduit is designed from the TR to a pull box located 36.6 m (120 ft) away from the TR. A 1 1/2 inch conduit is designed from the pull box to the zone box located
35.1 m (115 ft) beyond the pull box. Assuming no conduit bends, and excluding the TR and zone box, what is the total number of pull boxes/pull points required in this horizontal conduit system between the telecommunications room (TR) and zone box?

  • A. 2
  • B. 3
  • C. 4
  • D. 5
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Suggested Answer: B 🗳️

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CUB90
1 year ago
The answer is 3 pull boxes total. One pull box "A" already exists at 120ft from the TR. The second pull box "B" is to be placed between the TR and the pull box "A" because the distance is over 100 ft. The third pull box "C" is to be placed between pull box "A" and the zone box because the distance is over 100 ft.
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