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Electrical > Electrical Intro. 10/23 > Flashcards

Electrical Intro. 10/23 Flashcards

1
Q

How many overloads for a 3 phase motor

A

3

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2
Q

Start stop is what type of switch?

A

Momentary

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3
Q

What are used to tell you if a motor is running?

A

Indicating lights

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4
Q

NEMA stands for?

A

National Electrical manufacturers association

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5
Q

What 4 different components up an electrical circuit?

A

Wiring
source voltage
switches
loads

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6
Q

A float switch is installed in what position?

A

Normally open

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7
Q

What part of a DC motor is meant to wear out?

A

Brushes

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8
Q

High voltage side of a transformer is known as?

A

Primary

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9
Q

What holds the starter circuit closed when the momentary start button is released?

A

Seal in tips

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10
Q

What voltage is supplied to a control transformer?

A

480VAC

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11
Q

What can be used as a temporary solution to fix a wiring issue?

A

Jumper wire.

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12
Q

Size of a starter is based on what?

A

Motor HP

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13
Q

4 types of motors

A

Single phase
single phase capacitor start
3 phase
DC

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14
Q

Symbol for fuse

A
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15
Q

To change the rotation of a DC motor you swap the?

A

Polarity (A-1,A-2)

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16
Q

What needs to be installed in the motor circuit to enable auto or jog?

A

Selector switch

17
Q

What type of motor needs a boost to get rolling?

A

Single phase capacitor motor

18
Q

IEC

A

International electro-technical commission?

19
Q

Voltage has to be supplied to what component to close the main movable tips to supply power to the motor?

A

Coil

20
Q

Stop button is normally?

A

Closed

21
Q

Start button is normally

A

Open

22
Q

Draw a Y configuration drawing

A
23
Q

The initial surge of power going into a motor until it gets up to speed

A

In rush

24
Q

Normally closed tips

A
25
Q

Normally open tips

A
26
Q

Capacitor is discharged how?

A

Being shorted

27
Q

Central location that distributes power throughout your home?

A

Load center

28
Q

What is used to protect a control transformer

A

Control fuse

29
Q

The low voltage side of the transformer

A

Secondary

30
Q

What is used to make the motor run?

A

Motor starter

31
Q

X2 is always what on a control transformer?

A

Neutral

32
Q

FLA stands for?

A

Full load amps

33
Q

An e-stop is what type of button?

A

Maintained

34
Q

Megger should read what from phase to ground and a new motor?

A

550 MegaOhms

35
Q

What can be mounted in any type of box for easy connections?

A

Terminal strip

36
Q

Phase to phase on a good motor should be read?

A

0.0 ohms

37
Q

On a regular meter you should read what from phase to ground?

A

O/L

Electrical (5 decks)

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