Ch. 5 * (Horizontal Distribution Systems)

Question 1

Usable floorspace includes ___

Answer 1

Hallways

Question 2

Work area

Answer 2

100 sq’

Question 3

BAS density

Answer 3

250 sq’

Question 4

4 pair copper diameter

Answer 4

.35”

Question 5

2-Fiber diameter

Answer 5

.18”

Question 6

Flexible (unsuitable) conduit tends to ___

Answer 6

Creep
Shift
Cause sheath damage

Question 7

Acceptable conduit runs

Answer 7

Direct route
Parallel to bldg
No single bend greater than 90°
No more than 100 feet between pull boxes
No more than 180° of bends between pull boxes

Question 8

Unacceptable conduit runs

Answer 8

Should not be on top of cellular floor cells
Should not be run crosswise to cellular floor cells
Should not be run through flammable material storage areas
Should not be near heat sources

Question 9

TBB

Answer 9

6 AWG

Question 10

Ground bend rate

Answer 10

8X O.D.

Question 11

Bend radius of multipair

Answer 11

10X O.D.

Question 12

UTP bend radius

Answer 12

4X O.D.

Question 13

Install a pull box if ___

Answer 13

More than (2) 90° bends
Reverse bend between 100° and 180°

Question 14

A completed conduit installation should be ___

Answer 14

Clean 
Reamed 
Capped
Labeled
Have a pull cord rated for 200lbs.

Question 15

Slip sleeve

Answer 15

Larger than main conduit

Question 16

Slip sleeve length

Answer 16

12 times the diameter of the largest conduit

Question 17

Space requirements for (5) 4” conduits

Answer 17

47”

Question 18

Access floor consists of ___

Answer 18

Footings 
Pedestals 
Stringers 
Modular floor panels
Except "longitudinal crossmember"

Question 19

Height of access (raised) floors

Answer 19

General office areas - 8”

Computer room - 12”

Question 20

Depressed slab

Answer 20

New construction

Question 21

Normal slab

Answer 21

Renovated building

Question 22

Disadvantages of access (raised) floors

Answer 22

High initial cost

Question 23

Load bearing capacity for access (raised) floors

Answer 23

Equipment room - 100lbs./sq’

General office - 50lbs./sq’

Question 24

Low profile floor

Answer 24

Less than 6”

Question 25

Ceiling zones

Answer 25

904 sq'

Question 26

Ceiling space

Answer 26

3" above conduits | 12" above tray or raceway

Question 27

Access floor minimum requirements

Answer 27

2"

Question 28

Cable support pathways should be installed ___

Answer 28

At least 3 inches above the ceiling tiles

Question 29

J-hooks should be spaced

Answer 29

Every 5 feet

Question 30

A 100 foot cable run should have ___ j-hooks

Answer 30

20

Question 31

Cable tray fittings include:

Answer 31

``` Elbows Reducers Crossovers Tees Except "Cover" ```

Question 32

Types of cable trays

Answer 32

``` Ladder - two side rails Ventilated trough - ventilated Ventilated channel - channel Solid bottom - solid Spine - spine Basket tray - wire mesh ```

Question 33

Trays/Wireways should be supported ___

Answer 33

5' on center

Question 34

Ceiling home run conduit method

Answer 34

One or two boxes = 1" | Three boxes = 1.25"

Question 35

Another name for power pole

Answer 35

Utility column or Utility pole

Question 36

Utility pole sizes

Answer 36

10' 12' 15'

Question 37

Centralized fiber

Answer 37

984'

Question 38

Fiber to the desktop

Answer 38

Pull through method

Question 39

1,000' spool of fiber (pull through method)

Answer 39

3 pulls

Question 40

Pull through method

Answer 40

295' (90m)

Question 41

J-Box

Answer 41

60'

Question 42

Hand hole

Answer 42

5"

Question 43

Large lower duct

Answer 43

Feeders (from electrical panels and TRs)

Question 44

Standard upper ducts

Answer 44

Electrical power service

Question 45

Large upper ducts

Answer 45

Telecommunications services

Question 46

Duct sizing

Answer 46

1sq"/100sq'

Question 47

Feeder beam slab thickness

Answer 47

7"

Question 48

The duct elbow should extend __ AFF in TR

Answer 48

4"

Question 49

Standard for spaces/pathways

Answer 49

569-B

Question 50

Wet locations are considered ___

Answer 50

Slabs and direct contact with soil sand and gravel

Question 54

Where do you store lifting devices for cover plates?

Answer 54

In the TR Section cups Eye bolts

Question 55

Trench duct cover plates

Answer 55

4' x 38"

Question 56

TR duct in floor

Answer 56

Elbow into room

Question 57

TR duct size

Answer 57

3-6"

Question 58

Distribution duct size

Answer 58

3.9 sq"

Question 59

Cross-sectional area of cable

Answer 59

.35 sq" x .785

Question 60

Non-continuous pathway

Answer 60

J-hook

Question 61

Continuous pathway

Answer 61

Conduit

Question 62

Feeder duct size

Answer 62

8.9 sq"

Question 63

Feeder ducts

Answer 63

Connect TR to distribution ducts

Question 64

HVAC floor height

Answer 64

12"

Question 65

Distribution duct

Answer 65

Floor

Question 66

Load bearing for concentrated raised floor

Answer 66

2000 lb/ft

Question 67

When using depressed slab for access flooring the depth should be ___

Answer 67

Equal to height of finished floor

Question 68

Horizontal pathways do not include ___

Answer 68

Pull boxes

Question 69

1.5" conduit can accommodate ___ .23" diameter cables

Answer 69

18

Question 70

What is not always part of an access floor?

Answer 70

Stringer

Question 71

Horizontal cabling runs may contain ___

Answer 71

One of the following: | TP, CP, HCP

Question 72

Ventilated trough has ___

Answer 72

Side rails

Question 73

How many 0.23" cables in a 4" conduit?

Answer 73

113