Meter Tech Test

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79 Terms

1

What are the 5 signs of awareness

Look ahead

Size up whole Scene

Signal Intentions Early

Plan an escape Route

Take decisive actions

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2

What is the circle of safety

Making a loop around a truck to make sure nothing has been done to it

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3

Direct Currents

Flows in 1 direction, constant voltage polarity

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4

Alternating Circuit

Changes direction at regular reoccurring intervals along with voltage polarity

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5

Cycle

The time of which it starts and ends

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6

Frequency

Number of times a sine wave repeats

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7

Hertz

Cycle/second

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8

What is the hertz of a standard line in the US

60 hz

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9

What are the 3 main factors of an electrical circuit

Current, voltage, resistance

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10

What is the range of amps where the heart fibrillates

.025-.1

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11

What is the possibly fatal amps for a person

.5 amps

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12

Voltage

Pressure from electrical circuits power source that pushes charged electrons through

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13

Ohms law

Describes relationship between current voltage and resistance

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14

Touch potential

Physical contact with ground and energized objects

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15

Step

Stepping between different rings of voltage

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16

How back do you stay from downed lines

35 feet/10 yards

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17

How do you avoid touch potential

Jumping away from an energized object

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18

How do you avoid step potentials

Shuffle away

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19

What do you always assume

Assume all downed lines are energized

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20

How does the ripple effect affect powerlines

Downed lines have rings around them with gradually less voltage, stepping between rings = making up voltage between two rings

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21

Do trees/wood conduct energy

Yes

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22

What do you wear when outside of the vehicle

Hard hat and safety glasses

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23

When do you wear full ppe

When the electrical box is open

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24

What conditions do we operate under

NFPA 70E and Hazard Category 1

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25

What Hazard Category do we work under

Hazard Category 2

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26

How do you measure meters

In watthours

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27

What is the unit of measurement for electrical energy

Kilowatt hour

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28

What is the top side

Line (utility side)

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29

What is the bottom side

Load (customer) side

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30

Do you assume all terminals as energized

Yes

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31

What's the order of meter id checj

Form, class, volts, wire

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32

What category are network meters

12s

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33

What side do you disconnect first

Line (1 & 2)

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34

Overhead lines

Lines coming from poles down to the box

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35

Underhead

Lines come from below

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36

True or False underhead power lines are more likely to have live wires

True

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37

How do you take out a barrel lock

Clean barrel, fully insert key, pull barrel out

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38

What's the order of an overhead line

Service line,weather head, riser, meter can, meter

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39

Is anything is damaged, or if you have any concerns:

Don't pull, call your supervisor

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40

True or false a meter can doesn't have to be attached to a home

False

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41

How can you get lines out of mobile homes

Put pressure on top

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42

Arc Flash

A type of electrical explosion that results from low impedance connection through the air to the ground

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43

How do you get an arc flash

Equipment failure, improper use of tools

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44

How do you get electrocuted

Contact to an energized circuit

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45

What are some signs of a bad circuit

Damage to meter socket, smoke/fire damage, discoloration of base by blades, glass/plastic cover broken, oil droplets in meter, metal blades/jaw damaged

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46

Backfeed

Stealing power or using a generator

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47

How do you recognize backfeed

Load side is higher than 0

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48

How should you stand when removing a meter

To the side, both feet on the ground

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49

What could a broken government seal indicate

Stolen energy

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50

1s meter

120 volts 2-wire

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51

2s

240 volt, 3 wires

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52

12s meter

240 volts, with a fifth jaw as grounding

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53

What is the voltage between L1 and G on a 12s circuit

120

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54

What is a voltage from L2 to ground on a 1s

0

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55

What direction should the arrows on the ring face when replacing a meter

Front, toward you

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56

What should you do if there are more than 3 wires?

Do not exchange

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57

How are hot sockets crsated

Broken components

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58

What can indicate a hot socket

Discoloration of jaws, melting to base, loose blade, corroded/melted insulation

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59

What happens if you get theft of service

Report, and then most likely continue exchange

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60

How often are vehicle inspections done

Monthly/weekly

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61

What is energy consuned

Quantity if power used over time

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62

What happens every time you use a baton or spray

Report to a supervisor

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63

After removing a meter, what do you do first

Check voltage

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64

How do you stop having voltage

Put boots on top of the jaws

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