Second Step Flashcards
1
Q
What are we allowed to operate on a PMH?
A
Gang operated switch handle
2
Q
On a live front pad mounted transformer, what kind of barriers do you install once cables are stood off?
A
Transformer barrier
3
Q
What are the steps for grounding dead break elbows?
A
- Attach grounds to bus wire
- Test
- Ground
4
Q
What are the steps for grounding live front?
A
- Check for barriers
- Test
- Install grounds to standoff
- Ground
5
Q
Which spiking tool must you support?
A
Hydraulic cutter spike
6
Q
Who is allowed to operate load break elbows?
A
QEW or QP supervised by QEW
7
Q
Why do you clean the elbow/bushing?
A
To keep interface from becoming contaminated
8
Q
What is the purpose of the safe switching triangle?
A
To ensure correct location
9
Q
You have removed a load break elbow to a grounded standoff. What step is next?
A
Cover with a candled elbow
10
Q
What do you do if you expect an elbow to be de-energized but the tester reads voltage?
A
Notify PIC
11
Q
What is the first thing you do when arriving at a switch location?
A
Check surroundings
12
Q
What is a cocktail shaker used for?
A
Stress cones
13
Q
When testing secondary de-energized, what must you use?
A
Shunts and leather gloves
14
Q
What grounds must PIC count?
A
Phase to phase grounds
15
Q
How do you attach a tester to a hotstick?
A
Hold tester and spin hotstick
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.
17
Q
Where do you place the man on line tag?
A
Control or operating device of each clearance limit
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
19
Q
What must be in place before you can ground?
A
Barriers
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
21
Q
What side of traffic is the preferred placement of a riser?
A
Opposite side of traffic
22
Q
What size conduit do we install?
A
For the next largest size of cable
23
Q
What are you removing when wire brushing wire?
A
Oxidation
24
Q
Where do you find the size of wire you will need for the job?
A
Job packet
25
What is the pulling speed of small ropes and mule tape?
Idle
26
You are testing a phasing meter, what is the proper deflection that you will encounter on your tester?
Full deflection
27
What best describes the "application for work"?
A formal request to perform work in the power generation system
28
If you cannot test the cable de-energized, what do you do?
Spike the cable
29
Red location tags are used for?
Secondary
30
what device is used to operate a LBOR switch?
The operating lever; using a live line tool
31
How do you make sure you are on the same cable?
Ring it out
32
When working on apparatus of 600V or less, what are your limitations?
Under the supervision of a QEW
33
How often do you calibrate the air tester?
Monthly
34
Before disconnecting grounding devices from the ground source you are required to?
Remove grounding device from all conductors and equipment
35
What is the safe MWD on 599V?
12"
36
During cable installation, when is the use of a dynamometer required?
When calculated tension is greater than 50%
37
When installing a 600amp insulated connector, how many crimps do you need?
As many as possible without overlapping
38
Personal grounds may be removed from the equipment after they have been in contact for?
5 minutes
39
To open the space to perform work or look at from outside the enclosure is known as
Access
40
To protect against backfeed, which is not used to establish a visual open?
Opening transformer switch and MOL tag
41
During cable installation, you see signs of plastic deposit on the line, what should you do?
Stop the pull, relax the line, and allow the conduit to cool for 5 minutes
42
What is the difference between a MOL and a caution tag?
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.
43
Who is the person that provides approval before switching operations can be performed?
System operator
44
According to the protective grounding manual, after all grounds have been removed, who is responsible for counting grounds?
Pic
45
Where do you place a MOL tag on live front equipment?
Inner phase barrier
46
Where do you place a MOL tag on dead front equipment?
On the test plug elbow
47
The preferred marking for phase is
#1 #2 #3
48
If you see arc proof tape that could contain asbestos, what do you do?
Notify pic before doing anything else
49
What is NOT an approved clearance limit?
600 amp straight splice
50
When reading a switching log, "COIS" refers to?
Cables on insulated standoff a
51
What is the final step before grounding?
Ensure employees are in the clear
52
What is the best way to identify customers neutral?
Continuity meter
53
Before attaching the grounding standoff jumper to the ground bus, you must ensure that all
Nails and capacitance test caps are in place
54
Do not leave pad mounted, live front transformer barriers covering exposed energized conductors for more than?
14 days
55
Air monitoring, what is acceptable range for oxygen levels?
19.5-23.5
56
Pin terminals connected to copper secondary conductor use what type of connector?
Copper
57
While connecting a multi-tap bus bar, what is the minimum torque value for the set screw?
25 ft/lbs
58
If the air tests bad, what is the next step?
Ventilate the air space
59
When trimming cables for a 200 amp pre molded straight splice, the cables are overlapped for what reason?
To provide sufficient concentric for grounding
60
600 volts or less is considered
Secondary
61
601 volts and more is considered
Primary
62
Keep an _____ foot minimum workspace clearance in front of pad mounted equipment doors to provide enough room to operate safely with hotsticks
8'
63
Used to connect one cable to another without compromising the electrical or mechanical characteristics of the cable
Splices
64
_______ are used to make connection in main line cables
600-amp separable connectors
65
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
Clearance
66
______ is a public record map drawn to scale which shows the divisions of a piece of land
Plat map
67
Utility operations standard _____ establishes uniform procedures for mapping and maintaining electric distribution circuit maps
S5451
68
A clearance that does not meet the minimum lead time requirements for processing and/or for notifying concerned parties
Emergency clearance
69
A clearance that is used in conjunction with other work performed to establish a safe working zone. Personnel cannot perform work under this clearance
Safety clearance
70
________ is a space where existing ventilation is insufficient to remove dangerous air contamination or oxygen enrichment or oxygen deficiency may develop
Other confined space
71
When a pedestrian pathway is blocked, create an unobstructed ____ inch travel space
48"
72
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
Not enter space and contact pic
73
Equipment with parts energized at 50 volts or higher is known as
Energized equipment
74
Switching human performance triangle tool contains three elements
1 read the operations on switch log
2 find correct switch/apparatus
3 once again, validate switch/apparatus is correct per switching log
75
When performing switching, what three human performance tools are commonly used?
1 three way communication
2 phonetic alphabet
3 safe switching triangle
76
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.
Interface
77
Once you start to apply protective grounds
DO NOT STOP
78
The number of grounds are reported in the ______ and ______?
Switching log and grounding form
79
Phasing procedure
```
A-B
A-A
B-C
B-B
C-A
C-C
```
80
Which side do you feed the cable, and which side do you pull the cable?
Feed at end with most bends, pull from opposite
81
When using a basket type grip, the pulling tension must never exceed?
1,000 lbs single grip
| 2,000 lbs two or more grips
82
Posi-pull is good for what pulling tension?
10,000 lbs but conductor size may reduce this value
83
Pulling speed should not exceed 15' per minute when?
The conduit run contains bends
| The pulling tension exceeds 4,000 lbs
84
What must be on a location tag?
Next sectionalizing point
Distance
Direction to sectionalizing point
85
The preferred location of a riser on the pole is
Side of pole opposite traffic
86
You circle the switching operation number on the switching log before ________
Initiating the switching activity
87
When placing equipment tags, where are non test tags placed?
On control handle of designated devices
88
In conjunction with bracket grounds, install personal grounds when working on underground conductors or equipment that's energized at _______
300 volts or higher
89
When installing protective grounds...
Do not stop, complete the action with a quick positive motion
90
What are three common styles of transformers we focus on
Pad-mount
Subsurface
Underground commercial distribution
91
What tool is needed to test for asbestos?
Special microscope, owned by outside company
92
What additional PPE must be worn when operating the gang operated switch on PMH?
Class 2 rubber gloves
93
what are safe practices to follow when operating a subsurface switch?
Properly check location, clean location, check sight glass, check conditions of switch and cables/terminations
94
What should you do before operating a switch?
Turn head away from switch when operating
95
What do you disconnect first when removing protective grounds?
Line side of ground
96
How do you choose the appropriate mandrel?
Choose one that's 0.5" smaller than nominal diameter of conduit
97
Why is it important to keep pulling lines clean?
To minimize pulling tension and sawing
98
Up arriving at a switching location, what is the first thing to do when you arrive?
Ensure that environmental and/or hazardous conditions are inspected, identified, logged, communicated, controlled and resolved if possible
99
Where do you position the puller when rigging for an underground pull?
Rig the pullout location so that there is adequate slack, pull in the cable to allow for racking and splicing
100
When PgE installs conduit what size conduit do they typically install?
Large enough for next size larger conductor than what's being installed.
101
After switching is complete, what do you need to report to DO
1. The time
| 2. The operation performed
102
Define a clearance limits.
A point or points used to isolate the work area or equipment and tagged w/ MOL tags
103
Other than tag it tag, what else do you tag on secondary
Power leg
104
What do our air testers test for?
Oxygen
H2S
Carbon monoxide
105
Employees must maintain at least _______ inches between themselves and energized parts while operating solid blade or fused disconnects inside pad mount live front equipment
48"
106
When installing a new duplex style 120/240 transformer (subsurface horizontal). What other work must you do to complete the job?
Install a 4'6" x 8'6" x 6'
107
Why do you roll up the cord when phasing?
It must be considered an energized jumper
108
What step is not required when grounding?
Establish an open point
109
When grounding a 200 amp subsurface switch, you test voltage on capacitance test point and tester reads no voltage. What is your next step?
Contact pic to continue grounding
