BICSI RCDD-002 Exam
BICSI Registered Communications Distribution Designer - RCDD (Page 13 )

Updated On: 9-Feb-2026

What would be the minimum length of casing to cross a single railroad track at 90 degrees?

  1. 15 feet.
  2. 50 feet.
  3. 35 feet
  4. 25 feet.

Answer(s): C



Which one of the following is NOT an advantage of direct-buried cable?

  1. Is flexible for future reinforcements or changes
  2. Has a low initial installation cost
  3. Can easily bypass obstructions
  4. Preserves the aesthetic appearance of buildings

Answer(s): A



The information technology system (ITS) designer should design conduits entering a building from ceiling height to terminate ________ below the finished ceiling.

  1. 51 mm (2 in)
  2. 100 mm (4 in)
  3. 152 mm (6 in)
  4. 203 mm (8 in)
  5. 254 mm (10 in)

Answer(s): B



BICSI recommends that any trench ________ or more deep must be shored to prevent cave in.

  1. 1.2 m (4 ft)
  2. 1.5 m (5 ft)
  3. 1.7 m (5.5 ft)
  4. 1.83 m (6 ft)
  5. 2.1 m (7 ft)

Answer(s): B



A vertical conduit mast should not extend above a roof line more than which of the following?

  1. 6 inches
  2. 4 inches
  3. 24 inches
  4. 12 inches

Answer(s): B






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