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Flashcards in construction Deck (61)
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1

The load bearing component of an aerial installation

Strand

2

A loop formed in the cable to compensate for temperature changes

Expansion Loop

3

Counteracts Horizontal forces placed on poles by the strand and cable

Guy & Anchor

4

Connects pole hardware to the anchor

Guy

5

Transfers horizontal stress from the pole to the ground

Anchor

6

Conduit pipe is usually made from

PVC

7

PVC

Polyvinyl Chloride

8

Most common type of hardline connector

Pin Connector

9

Connector where the cable is fed directly through it

Feed Through

10

Used to terminate RF Signals

Terminator

11

Allows strand to be pulled in only one direction

Strand Brake

12

Prevents unwanted payoff from the Reel

Reel Brake

13

A portable bonding method used in the stationary reel method

Traveling ground

14

Strand and cable should pay-off the _______ of the reel

Top

15

Measures pulling tension on the cable

Dynamometer

16

Ensures cables are not over tensioned

Breakaway Swivel

17

Minimizes drag on the cables in the corners & ensures that minimum bending radius is not exceeded

Corner Block

18

Tension in the cable caused by the mass of the cable & reel brake

Tail Loading

19

Cable spans______ and greater require two expansion loops

250'

20

Cable tails should be ________ft

3ft

21

cable blocks should be placed _____ to _____ on the strand

30ft to 50ft

22

Expansion loops should be formed on the ______ side of the pole

output

23

Double lashing is done in these three scenarios

1) two or more cables2) trunk cables3) Street and RR Crossing

24

The mechanical bender should be kept in place for the first _______ of lashing

50ft

25

How deep is warning tape buried?

12 inches

26

When doing a figure eight with fiber, how far apart should the cones be placed?

10-15 paces

27

Clearance for communications lines above roads, streets or alleys

15.5 ft

28

Clearance for roads in rural areas where it is unlikely that vehicles will be crossing under the line

13.5 ft

29

Minimum clearance for telecommunications over residential driveways

11.5 ft

30

Clearance where a communication line along a road is located relative to fences, ditches, embankments, etc., so that the ground under the line would not be expected to be traveled except by pedestrians.

9.5 ft