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RCDD-001 Exam - Question 41

You are reviewing a building backbone design with a vertically aligned telecommunications room (TR). In the spec you note in a footnote with details that the slots at one end of the telecommunications room (TR) must be flush with the floor and the sleeves provide at the end of the telecommunications room (TR) must also be flush. In your meeting with the electrical engineering firm that has provided the spec, you make the comment that according to best practices, the MINIMUM that slots and sleeves must extend above the finished floor are:

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Correct Answer: B

According to best practices, the minimum that slots and sleeves must extend above the finished floor is 25 mm (1 inch) for both slots and sleeves. This requirement ensures that there is a consistent provision for adequate conduit extensions while maintaining the structural integrity and accessibility of the telecommunications pathways within the telecommunications room (TR).

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CUB90Option: B
Nov 17, 2023

TDMM page 4-28 (368) Sleeves to extend a minimum of ~25 mm (1 in) above the floor level and a maximum of ~77 mm (3 in) above the floor level.