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BICSI

RCDD · Question #350

When specifying telecommunications outlet boxes, all of the following should be considered EXCEPT:

The correct answer is A. Outlet box shall be a minimum of 100 mm (4 in) x 100 mm (4 in) x 76 mm (3 in). According to BICSI TDMM standards, the minimum recommended outlet box size is not 4 in × 4 in × 3 in as stated in option A. The standard specifies a smaller minimum depth, and a 4×4 box is not always required - single-gang boxes are commonly acceptable. The dimensions in option A

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Question

When specifying telecommunications outlet boxes, all of the following should be considered EXCEPT:

Options

  • AOutlet box shall be a minimum of 100 mm (4 in) x 100 mm (4 in) x 76 mm (3 in)
  • BOutlet boxes should be installed near an electric outlet at the same height
  • CDifferent outlet boxes have different support requirements
  • DFloor mounted telecom outlet boxes should be coordinated with furniture to minimize the potential trip
  • EOutlet boxes must be of adequate size so that minimum cable bend radius requirements are not

How the community answered

(59 responses)
  • A
    80% (47)
  • B
    5% (3)
  • C
    3% (2)
  • D
    10% (6)
  • E
    2% (1)

Explanation

According to BICSI TDMM standards, the minimum recommended outlet box size is not 4 in × 4 in × 3 in as stated in option A. The standard specifies a smaller minimum depth, and a 4×4 box is not always required - single-gang boxes are commonly acceptable. The dimensions in option A are therefore not a standard specification that should be applied universally. The other options (B through E) represent valid, widely recognized considerations: co-locating with electrical outlets at similar heights, accounting for varying support requirements by box type, coordinating floor boxes with furniture to prevent trip hazards, and ensuring adequate box depth for minimum cable bend radius compliance.

Topics

#telecommunications outlet box#outlet sizing#cable bend radius#installation standards

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