DCI Pathways and Spaces 5

Question 1

What is the term for a fitting that allows a conduit to pass through a concrete floor slab while providing a finished opening?

Accepted Answer

Floor sleeve

Answer

A floor sleeve is a fitting installed in a concrete floor slab that creates a finished, firestop-able opening for conduit or cable penetrations.

Question 2

According to BICSI standards, what is the recommended ratio of telecommunications rooms to floor area in a commercial building?

Accepted Answer

1 TR per 10,000 sq ft (929 m²)

Answer

BICSI recommends one telecommunications room for every 10,000 square feet (929 m²) of usable floor space to maintain horizontal cable length limits.

Question 3

Which of the following best describes a 'backbone pathway' in a structured cabling installation?

Accepted Answer

The vertical or interbuilding pathway connecting telecommunications rooms and equipment rooms

Answer

A backbone pathway connects telecommunications rooms to the main equipment room and may run vertically between floors or horizontally between buildings.

Question 4

What is the minimum bend radius for a 1-inch (27mm) EMT conduit during installation?

Accepted Answer

6 inches (152 mm)

Answer

NEC and industry standards require a minimum bend radius of 6 times the conduit's internal diameter for 1-inch EMT, which equals approximately 6 inches.

Question 5

In a multi-tenant building, what type of space is used to interconnect cabling between the building entrance facility and individual tenant telecommunications rooms?

Accepted Answer

Building distributor or main cross-connect

Answer

A building distributor (main cross-connect) is the central interconnection point for backbone cabling between the entrance facility and individual floor telecommunications rooms.

(DCI) Data Cabling Installer Practice Test

(DCI) Data Cabling Installer Practice Test

DCI Pathways and Spaces 5