Test 1

Question 1

What voltage do you read in a load center hot buss to hot buss?

Answer 1

240vac

Question 2

What does HP stand for

Answer 2

Horse power

Question 3

What is the low voltage side of the transformer?

Answer 3

Secondary side

Question 4

What does NEMA stand for?

Answer 4

National Electrical manufacturers association

Question 5

What does DC stand for?

Answer 5

Direct current

Question 6

What does NC stand for?

Answer 6

Normally closed

Question 7

X2 should always be _______ on a control transformer?

Answer 7

Neutral

Question 8

Draw normally open control tips

Question 9

What four things make up an Electric circuit?

Answer 9

Wire
Load
Switching element
Source voltage

Question 10

What is the wearable parts of a DC motor?

Answer 10

Brushes

Question 11

Changing ______ ______ of the three leads on a VAC motor will change rotation

Answer 11

Any two

Question 12

The _____ ______ will give you the info of the motor

Answer 12

Name plate / data plate

Question 13

FLA stands for?

Answer 13

Full Load Amps

Question 14

Four types of motors?

Answer 14

Three phase
Dc
Single phase
Single phase capacitor start

Question 15

Size of motor starter is determined by what?

Answer 15

Horsepower of the motor

Question 16

A __________ can be temporarily used to fix a electrical issue

Answer 16

Jumper

Question 17

Draw the symbol for a fuse.

Answer 17

——
| |
——-
| |
| |
| |
——
| |
——

Question 18

What is used to protect the wire tag?

Answer 18

Back taping

Question 19

DC motor acts as a _________ if it is turned with no power supply.

Answer 19

Generator

Question 20

Can you be shocked by a generator?

Answer 20

YES

Question 21

The initial surge of power going out to the motor until it comes up to speed?

Answer 21

In rush current

Question 22

Device that provides an adjustable time period to perform a function?

Answer 22

Timing relay

Question 23

Symbol for ohms?

Answer 23

Omega sign

Question 24

What should a float switch for a sump pump be wired in when in the pit?

Answer 24

Normally open

Question 25

Home wire?

Answer 25

Romex

Question 26

What wire gauge for lighting circuit?

Answer 26

14 AWG

Question 27

Control transformer should be wired?

Answer 27

Single phase

Question 28

How many receptacles on a 20 amp circuit

Answer 28

10

Question 29

AC stands for

Answer 29

Alternating current

Question 30

What protects motor from high current?

Answer 30

Overloads

Question 31

What do we do to a motor to check proper rotation?

Answer 31

Bump test

Question 32

How much voltage is supplied to a control transformer ?

Answer 32

480vac

Question 33

IEC stands for?

Answer 33

International electrotechnical commission

Question 34

What gauge wire for receptacle circuit?

Answer 34

12 AWG

Question 35

What wire never goes to a switch?

Answer 35

Neutral

Question 36

Voltage must be supplied to the _____ of a magnetic starter so that the moveable tips close and supply power.

Answer 36

Coil

Question 37

AWG stands for?

Answer 37

American wire gauge

Question 38

What protects other receptacles?

Answer 38

GFCI

Question 39

Used to keep motor running without holding start button?

Answer 39

Seal in tips

Question 40

Stop button at resting state?

Answer 40

Normally closed

Question 41

Used to protect control transformer?

Answer 41

Control fuse

Question 42

Used to make a motor run?

Answer 42

Motor starter

Question 43

What wire is landed on gold screw?

Answer 43

Hot

Question 44

A _____ takes 480 vac to 240vac

Answer 44

Transformer

Question 45

A _______ reads insulation value of a motor or wire?

Answer 45

Megger

Question 46

To change direction on a DC motor?

Answer 46

Change polarity

Question 47

What type motor needs a boast to get going?

Answer 47

Single phase capacitor start

Question 48

How the capacitor in a single phase capacitor start motor is discharged?

Answer 48

Shorted

Question 49

480 vac high voltage transformer is wired how?

Answer 49

123 4 5 6 7 8 9

Question 50

What do you use for future wire pulls?

Answer 50

String

Question 51

What size breaker on a receptacle circuit?

Answer 51

20 amp

Question 52

20 HP and above motor is wired how?

Answer 52

Delta

Question 53

Draw a normally open start button

Question 54

RPM stands for?

Answer 54

Revolutions per minute

Question 55

A good motor will read what phase to phase?

Answer 55

.1 or above ohms

Question 56

What do we use to show motor is off or on?

Answer 56

Indicating light

Question 57

Multiple start buttons should be wired in?

Answer 57

Parallel

Question 58

What size wire for dryer or range?

Answer 58

10 AWG

Question 59

If motor is need to be wired in auto or manual / jog we use what?

Answer 59

Selector switch

Question 60

A ________ ________ is Wired into the circuit to control power to another component in the circuit.

Answer 60

Control relay

Question 61

Green or bare wire?

Answer 61

Ground

Question 62

What goes between three way switches to connect them?

Answer 62

Travlers

Question 63

Colored wire in a motor starter bucket indicates what?

Answer 63

Control voltage

Question 64

One phase of three phase is lost motor is humming is called what?

Answer 64

Single phasing

Question 65

E stop is what type of button?

Answer 65

Maintain type

Question 66

Start button is what type button?

Answer 66

Momentary type button

Question 67

Under 20 hp motor is wired in what?

Answer 67

Wye

Question 68

How many overloads to protect a three phase motor?

Answer 68

Three

Question 69

How many amps does a 1500 watt 120vac heater draw?

Answer 69

12.5 amps I = p/e

Question 70

Draw a stop button

Question 71

Multiple stop buttons should be wired how?

Answer 71

Series

Question 72

480 VAC low voltage motor?

Answer 72

456 T1-1/7 T2 - 2/8 T3 - 3/9

Question 73

Draw normally closed set of contact tips.

Question 74

What do you read on megger phase to ground for good motor?

Answer 74

550 M Ohms

Question 75

What do you read on megger phase to phase?

Answer 75

0.0 M ohms

Question 76

What does NEC stand for?

Answer 76

National electric code

Question 77

Red box indicates what?

Answer 77

480vac

Question 78

Black box indicates what?

Answer 78

250vdc

Question 79

Black box with yellow stripes indicates what?

Answer 79

250vdc crane

Question 80

Grey box indicates what?

Answer 80

120/240 vac

Question 81

10 AWG = 35 amps with 30 amp breaker dryer / range 12 AWG = 25 amps with 20 amp breaker Receptacle 14 AWG = 20 amps with 15 amp breaker Lights

Question 82

Receptacles that are going to be protected should be wired on the ________ side of the GFCI.

Answer 82

Load

Question 83

What PPE must be worn when testing a live power source?

Answer 83

Arc flash

Question 84

Pushing a fish tape toward a live power source, what precautions should be taken?

Answer 84

Piece of wood / cardboard / tape up wires

Question 85

When checking a circuit with the power off to the circuit, your meter should be set on _____ to check the circuit.

Answer 85

OHMS

Question 86

Troubleshooting the circuit hot is best to check for.

Answer 86

Source voltage

Question 87

What voltage is supplied to a control transformer?

Answer 87

480vac

Question 88

High voltage side of the transformer?

Answer 88

Primary

Question 89

The _____ _____ should be hooked up to a gold screw on a receptacle?

Answer 89

Hot wire

Question 90

A _____ ____ is a central location that distributes Electric through a home?

Answer 90

Load center

Question 91

NO stands for?

Answer 91

Normally open

Question 92

A green or bare copper wire should always be used as a _____ ?

Answer 92

Ground

Question 93

When using your personal meter while checking a good motor, you will get a reading of ________ while reading phase to ground.

Answer 93

OL (open loop)

Question 94

To change the direction of a DC motor, you can change the __________.

Answer 94

Polarity or armature

Question 95

_________ is performed to find electrical fault or issues in a circuit

Answer 95

Troubleshoot