Cable Pathway & Space Management Flashcards
7 cards from real ATP practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Cable Pathway & Space Management flashcards as text
What is the primary purpose of a cable runway (ladder rack) compared to a solid-bottom cable tray?
Answer: Better weight distribution and airflow
Ladder rack (cable runway) provides better airflow around cables and distributes weight across rungs, making it preferred for copper and fiber backbone runs.
When routing telecommunications conduit through a fire-rated wall, which material must be used to restore the fire rating after installation?
Answer: Firestop sealant or intumescent material
Firestop sealant or intumescent materials are required to restore the fire-resistance rating of walls and floors when penetrated by conduit.
According to BICSI TDMM, what is the maximum horizontal distance a work area outlet can be from the telecommunications room (TR) using copper cabling?
Answer: 90 m (295 ft)
The maximum horizontal cabling distance is 90 m (295 ft) from the TR to the work area outlet, not counting the 10 m allowance for patch cords.
Which pathway type is best suited for a high-density open office environment where frequent MAC (moves, adds, changes) are expected?
Answer: Under-floor cellular raceway
Under-floor cellular raceway provides easy access at any point across the floor, making it ideal for high-MAC open office environments.
What is the minimum inside bend radius for a 4-pair Category 6A UTP cable during installation per TIA recommendations?
Answer: 8× cable outer diameter
TIA recommends a minimum bend radius of 8× the cable outer diameter for Cat 6A UTP to prevent performance degradation from excessive bending.
A vertical backbone pathway requires cable support at regular intervals. What is the maximum spacing for cable support on vertical runs per BICSI guidelines?
Answer: 1.5 m (5 ft)
BICSI recommends supporting vertical cable runs at maximum 1.5 m (5 ft) intervals to prevent cable stretch and jacket damage from cable weight.
When designing an entrance facility (EF), what is the minimum separation required between telecommunications service entrance cables and electrical power service entrances?
Answer: 300 mm (12 in)
A minimum 300 mm (12 in) separation is required between telecommunications entrance cables and electrical power service entrances to prevent induction interference.