WLE week 2

Question 1

the 2 objectives of grounding is to _________ the time it takes to trip a circuit and to _________ the current flow across the linemans body

Answer 1

minimize. limit

Question 2

every job does not have to start with a “tailboard” or safety briefing, according to osha true or false?

Answer 2

false

Question 3

in order to properly ground a line, there is a 5 step process what is the first step?

Answer 3

idtcg

Question 4

in order to properly ground a line, there is a 5 step process what is the 5th step?

Answer 4

idtcg

Question 5

in order to properly ground a line, there is a 5 step process what is the 3rd step?

Answer 5

idtcg

Question 6

before grounds are applied, the lineworker must treat a conductor as if it is energized? true or false

Answer 6

true

Question 7

before grounds are applied, the lineworker must treat a conductor as if it is energized and he/she must observe the?

Answer 7

minimum approach distance

Question 8

which method of testing the conductor is not a viable method and should be avoided?

Answer 8

buzzing method (fuzzing)

Question 9

cleaning the conductor before you ground it, provides a_______-__________ path for _________ to flow, because dirt, oxidation and corrosion increase resistance?

Answer 9

low resistance. current

Question 10

the system neutral must be grounded at least _______ times per mile?

Answer 10

4

Question 11

a “TGR” is a what?

Answer 11

Temporary grounding rod

Question 12

the deeper the TGR is placed in the ground, the higher the resistance will be true or false

Answer 12

false

Question 13

static wires on transmission structures, can consist of which two conductors?

Answer 13

fiber optic . steel

Question 14

which grounding source is accepted by some companies and frowned upon by others?

Answer 14

anchor rod

Question 15

from the two grounding methods we discussed which is considered the best method?

Answer 15

EPZ

Question 16

EPZ stands for?

Answer 16

Equipotential zone grounding

Question 17

EPZ does what?

Answer 17

keeps lineman safe

Question 18

the golden rule of grounding, states that the conductor is attached to first and then the ground source and when removing the grounds, you take the ground off first then the conductor true or false?

Answer 18

false

Question 19

minimum size size for grounding cable is

Answer 19

2 AWG

Question 20

the sheath on the outside of the grounding cable provides ___________ electrical protection?

Answer 20

no

Question 21

when inspecting your grounds, you are looking for missing pieces, loose connections and severe _________ and ___________ ?

Answer 21

cuts and scrapes

Question 22

what must be done to a grounding cable that has experienced fault current?

Answer 22

removed and tested

Question 23

where would your ground source be on a 3 wire distribution system?

Answer 23

ground rod

Question 24

according to the book, which term means uninterrupted flow of current?

Answer 24

continuity

Question 25

where would your ground source be on a 4 wire distribution system?

Answer 25

neutral

Question 26

OSHA requires a lineman to wait at least 5 min before grounding which piece of equipment?

Answer 26

capacitor bank

Question 27

a single ground connected to the supply conductor, or the phase that is being worked on is reffered to as?

Answer 27

personal ground

Question 28

a grounding spike clamp is not used as a protective ground?

Answer 28

true

Question 29

how do you establish EPZ for underground?

Answer 29

EPZ mat

Question 30

insulated protective cap is also known as?

Answer 30

dummy cap or a dead end cap

Question 31

with underground systems ________ and _______ are critical

Answer 31

tagging and identification

Question 32

when working underground what is the critical first step?

Answer 32

cable identification

Question 33

after grounding the end of the cable not being worked on, what must you install at the worksite?

Answer 33

EPZ mat

Question 34

osha was founded in ?

Answer 34

1970

Question 35

osha states that every job should begin with?

Answer 35

job briefing

Question 36

protective grounds must be installed to protect?

Answer 36

each employee

Question 37

reasons for grounding?

Answer 37

protect the employee and protect the system