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Apprenticeship > Second Step > Flashcards

Second Step Flashcards

1
Q

What are we allowed to operate on a PMH?

A

Gang operated switch handle

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2
Q

On a live front pad mounted transformer, what kind of barriers do you install once cables are stood off?

A

Transformer barrier

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3
Q

What are the steps for grounding dead break elbows?

A
  1. Attach grounds to bus wire
  2. Test
  3. Ground
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4
Q

What are the steps for grounding live front?

A
  1. Check for barriers
  2. Test
  3. Install grounds to standoff
  4. Ground
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5
Q

Which spiking tool must you support?

A

Hydraulic cutter spike

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6
Q

Who is allowed to operate load break elbows?

A

QEW or QP supervised by QEW

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7
Q

Why do you clean the elbow/bushing?

A

To keep interface from becoming contaminated

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8
Q

What is the purpose of the safe switching triangle?

A

To ensure correct location

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9
Q

You have removed a load break elbow to a grounded standoff. What step is next?

A

Cover with a candled elbow

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10
Q

What do you do if you expect an elbow to be de-energized but the tester reads voltage?

A

Notify PIC

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11
Q

What is the first thing you do when arriving at a switch location?

A

Check surroundings

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12
Q

What is a cocktail shaker used for?

A

Stress cones

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13
Q

When testing secondary de-energized, what must you use?

A

Shunts and leather gloves

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14
Q

What grounds must PIC count?

A

Phase to phase grounds

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15
Q

How do you attach a tester to a hotstick?

A

Hold tester and spin hotstick

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16
Q

What is a nontest for?

A

Hot work/rubber gloving. If there is a fault on the line, the device won’t close in. We don’t use non test in underground because we don’t work it hot.

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17
Q

Where do you place the man on line tag?

A

Control or operating device of each clearance limit

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18
Q

Line is grounded and work location is in a splice box. Cannot visually identify the cable, what must you do?

A

Spike the cable

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19
Q

What must be in place before you can ground?

A

Barriers

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20
Q

You have grounded a dead front transformer and have attached grounds to the bus wire. What do you do next?

A

Test dead

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21
Q

What side of traffic is the preferred placement of a riser?

A

Opposite side of traffic

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22
Q

What size conduit do we install?

A

For the next largest size of cable

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23
Q

What are you removing when wire brushing wire?

A

Oxidation

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24
Q

Where do you find the size of wire you will need for the job?

A

Job packet

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25
Q

What is the pulling speed of small ropes and mule tape?

A

Idle

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26
Q

You are testing a phasing meter, what is the proper deflection that you will encounter on your tester?

A

Full deflection

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27
Q

What best describes the “application for work”?

A

A formal request to perform work in the power generation system

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28
Q

If you cannot test the cable de-energized, what do you do?

A

Spike the cable

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29
Q

Red location tags are used for?

A

Secondary

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30
Q

what device is used to operate a LBOR switch?

A

The operating lever; using a live line tool

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31
Q

How do you make sure you are on the same cable?

A

Ring it out

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32
Q

When working on apparatus of 600V or less, what are your limitations?

A

Under the supervision of a QEW

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33
Q

How often do you calibrate the air tester?

A

Monthly

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34
Q

Before disconnecting grounding devices from the ground source you are required to?

A

Remove grounding device from all conductors and equipment

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35
Q

What is the safe MWD on 599V?

A

12”

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36
Q

During cable installation, when is the use of a dynamometer required?

A

When calculated tension is greater than 50%

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37
Q

When installing a 600amp insulated connector, how many crimps do you need?

A

As many as possible without overlapping

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38
Q

Personal grounds may be removed from the equipment after they have been in contact for?

A

5 minutes

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39
Q

To open the space to perform work or look at from outside the enclosure is known as

A

Access

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40
Q

To protect against backfeed, which is not used to establish a visual open?

A

Opening transformer switch and MOL tag

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41
Q

During cable installation, you see signs of plastic deposit on the line, what should you do?

A

Stop the pull, relax the line, and allow the conduit to cool for 5 minutes

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42
Q

What is the difference between a MOL and a caution tag?

A

A MOL tag cannot be used on an open vent valve or switch that will be operated under the clearance; a caution tag can be on open vents to indicate danger to equipment in jeopardy.

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43
Q

Who is the person that provides approval before switching operations can be performed?

A

System operator

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44
Q

According to the protective grounding manual, after all grounds have been removed, who is responsible for counting grounds?

A

Pic

45
Q

Where do you place a MOL tag on live front equipment?

A

Inner phase barrier

46
Q

Where do you place a MOL tag on dead front equipment?

A

On the test plug elbow

47
Q

The preferred marking for phase is

A

1 #2 #3

48
Q

If you see arc proof tape that could contain asbestos, what do you do?

A

Notify pic before doing anything else

49
Q

What is NOT an approved clearance limit?

A

600 amp straight splice

50
Q

When reading a switching log, “COIS” refers to?

A

Cables on insulated standoff a

51
Q

What is the final step before grounding?

A

Ensure employees are in the clear

52
Q

What is the best way to identify customers neutral?

A

Continuity meter

53
Q

Before attaching the grounding standoff jumper to the ground bus, you must ensure that all

A

Nails and capacitance test caps are in place

54
Q

Do not leave pad mounted, live front transformer barriers covering exposed energized conductors for more than?

A

14 days

55
Q

Air monitoring, what is acceptable range for oxygen levels?

A

19.5-23.5

56
Q

Pin terminals connected to copper secondary conductor use what type of connector?

A

Copper

57
Q

While connecting a multi-tap bus bar, what is the minimum torque value for the set screw?

A

25 ft/lbs

58
Q

If the air tests bad, what is the next step?

A

Ventilate the air space

59
Q

When trimming cables for a 200 amp pre molded straight splice, the cables are overlapped for what reason?

A

To provide sufficient concentric for grounding

60
Q

600 volts or less is considered

A

Secondary

61
Q

601 volts and more is considered

A

Primary

62
Q

Keep an _____ foot minimum workspace clearance in front of pad mounted equipment doors to provide enough room to operate safely with hotsticks

A

8’

63
Q

Used to connect one cable to another without compromising the electrical or mechanical characteristics of the cable

A

Splices

64
Q

_______ are used to make connection in main line cables

A

600-amp separable connectors

65
Q

Permission from the electric control center to work on lines or equipment once they are isolated from all sources of energy and tagged with properly filled out MOL tags is called a

A

Clearance

66
Q

______ is a public record map drawn to scale which shows the divisions of a piece of land

A

Plat map

67
Q

Utility operations standard _____ establishes uniform procedures for mapping and maintaining electric distribution circuit maps

A

S5451

68
Q

A clearance that does not meet the minimum lead time requirements for processing and/or for notifying concerned parties

A

Emergency clearance

69
Q

A clearance that is used in conjunction with other work performed to establish a safe working zone. Personnel cannot perform work under this clearance

A

Safety clearance

70
Q

________ is a space where existing ventilation is insufficient to remove dangerous air contamination or oxygen enrichment or oxygen deficiency may develop

A

Other confined space

71
Q

When a pedestrian pathway is blocked, create an unobstructed ____ inch travel space

A

48”

72
Q

After four air exchanges, stop the ventilation, wait 5 minutes and then retest air space. If air test is unsuccessful after ventilation what must you do

A

Not enter space and contact pic

73
Q

Equipment with parts energized at 50 volts or higher is known as

A

Energized equipment

74
Q

Switching human performance triangle tool contains three elements

A

1 read the operations on switch log
2 find correct switch/apparatus
3 once again, validate switch/apparatus is correct per switching log

75
Q

When performing switching, what three human performance tools are commonly used?

A

1 three way communication
2 phonetic alphabet
3 safe switching triangle

76
Q

The mating surfaces between a separable connector and a bushing insert or insulated cover accessory that creates a seamless separable joining of the connectors insulation and ensures a moisture seal.

A

Interface

77
Q

Once you start to apply protective grounds

A

DO NOT STOP

78
Q

The number of grounds are reported in the ______ and ______?

A

Switching log and grounding form

79
Q

Phasing procedure

A 
A-B
A-A
B-C
B-B
C-A
C-C
80
Q

Which side do you feed the cable, and which side do you pull the cable?

A

Feed at end with most bends, pull from opposite

81
Q

When using a basket type grip, the pulling tension must never exceed?

A

1,000 lbs single grip

2,000 lbs two or more grips

82
Q

Posi-pull is good for what pulling tension?

A

10,000 lbs but conductor size may reduce this value

83
Q

Pulling speed should not exceed 15’ per minute when?

A

The conduit run contains bends

The pulling tension exceeds 4,000 lbs

84
Q

What must be on a location tag?

A

Next sectionalizing point
Distance
Direction to sectionalizing point

85
Q

The preferred location of a riser on the pole is

A

Side of pole opposite traffic

86
Q

You circle the switching operation number on the switching log before ________

A

Initiating the switching activity

87
Q

When placing equipment tags, where are non test tags placed?

A

On control handle of designated devices

88
Q

In conjunction with bracket grounds, install personal grounds when working on underground conductors or equipment that’s energized at _______

A

300 volts or higher

89
Q

When installing protective grounds…

A

Do not stop, complete the action with a quick positive motion

90
Q

What are three common styles of transformers we focus on

A

Pad-mount
Subsurface
Underground commercial distribution

91
Q

What tool is needed to test for asbestos?

A

Special microscope, owned by outside company

92
Q

What additional PPE must be worn when operating the gang operated switch on PMH?

A

Class 2 rubber gloves

93
Q

what are safe practices to follow when operating a subsurface switch?

A

Properly check location, clean location, check sight glass, check conditions of switch and cables/terminations

94
Q

What should you do before operating a switch?

A

Turn head away from switch when operating

95
Q

What do you disconnect first when removing protective grounds?

A

Line side of ground

96
Q

How do you choose the appropriate mandrel?

A

Choose one that’s 0.5” smaller than nominal diameter of conduit

97
Q

Why is it important to keep pulling lines clean?

A

To minimize pulling tension and sawing

98
Q

Up arriving at a switching location, what is the first thing to do when you arrive?

A

Ensure that environmental and/or hazardous conditions are inspected, identified, logged, communicated, controlled and resolved if possible

99
Q

Where do you position the puller when rigging for an underground pull?

A

Rig the pullout location so that there is adequate slack, pull in the cable to allow for racking and splicing

100
Q

When PgE installs conduit what size conduit do they typically install?

A

Large enough for next size larger conductor than what’s being installed.

101
Q

After switching is complete, what do you need to report to DO

A
  1. The time

2. The operation performed

102
Q

Define a clearance limits.

A

A point or points used to isolate the work area or equipment and tagged w/ MOL tags

103
Q

Other than tag it tag, what else do you tag on secondary

A

Power leg

104
Q

What do our air testers test for?

A

Oxygen
H2S
Carbon monoxide

105
Q

Employees must maintain at least _______ inches between themselves and energized parts while operating solid blade or fused disconnects inside pad mount live front equipment

A

48”

106
Q

When installing a new duplex style 120/240 transformer (subsurface horizontal). What other work must you do to complete the job?

A

Install a 4’6” x 8’6” x 6’

107
Q

Why do you roll up the cord when phasing?

A

It must be considered an energized jumper

108
Q

What step is not required when grounding?

A

Establish an open point

109
Q

When grounding a 200 amp subsurface switch, you test voltage on capacitance test point and tester reads no voltage. What is your next step?

A

Contact pic to continue grounding

Apprenticeship (7 decks)

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