# How Current is Your Knowledge About Electricity?

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How Current is Your Knowledge About Electricity?

Basic Electricity Test Study Guide

Copyright © 1999 by BellSouth All rights reserved. Printed in the U.S.A. AN EQUAL OPPORTUNITY EMPLOYER BellSouth will consider requests for testing accommodations from individuals covered by the Americans with Disabilities Act. Documentation of the need for the accommodation may be required.

Basic Electricity Test Study Guide Table of Contents

Table of Contents

Page

Section 1: Skills and Knowledge Checklist

• Introduction

1

• Skills and Knowledge Checklist

2

• What does the Checklist tell me?

5

Section 2: Test Description

• The Basic Electricity Test

1

• What kinds of questions are on the test?

3

Section 3: Self Assessment

• Taking the Practice Test

1

• Reference Sheet

2

• Practice Test

3

• Scoring the Practice Test

9

• Explanation of Practice Test Questions

11

• Interpreting Your Test Score

17

Section 4: Information & Training Resources

• Evaluating Your Needs

1

• Appendix A: Training Options for Eligible Employees

3

• Appendix B: Training Options for Technician Candidates

7

January 1999

Table of Contents Page i

Basic Electricity Test Study Guide

Section 1—Skills and Knowledge Checklist

Introduction

Basic Electricity Test Study Guide Skill and Knowledge Checklist

Overview

This Study Guide is designed to familiarize you with the basic electricity knowledge and skills required by BellSouth’s technical jobs and covered by the Basic Electricity Test. It will also familiarize you with the test, help you decide if you’re ready to take it, and guide your preparation if you’re not ready at this time.

What does the Basic Electricity Test cover?

It covers four main subject areas: • Electricity Fundamentals

⇒ Electrical Concepts ⇒ Schematic Reading ⇒ Circuit Measurements ⇒ Circuit Identification • Alternating Current and Reactive Elements • Safety and Protection Devices • Multimeters In addition, you need to know: • Applied Math

What exactly do I have to know?

Here is a list of the specific things you should know and skills you should have in order to perform a job that requires a background in basic electricity. If you know and understand these things and can apply what you know, you should do well on the test.

January 1999

Section 1 Page 1

Basic Electricity Test Study Guide Skills and Knowledge Checklist

Skill and Knowledge Checklist

Stop! Get a pen Read through this list carefully and check off the box ONLY if you have a

or pencil

good understanding of that topic.

Electricity Fundamentals:

Electrical Concepts

Y Understand basic electrical principles Y Understand the laws of attraction and repulsion Y Understand the principle of charge Y Understand the concepts of current flow, electrical pressure, resistance

and energy

Y Understand the relationship of conductor size and length to current flow

and resistance

Y Identify various electrical units such as voltage, current, resistance and

power

Y Understand electrical static discharge and how it is generated

Circuit Measurements

Y Use Ohm’s law to solve for voltage (E or V), current (I) or resistance (R) Y Use the power formula to solve for power (P), voltage (E or V) or

current (I)

Y Understand the relationships of efficiency, power input and power output

in a circuit

Y Calculate the total voltage, resistance and current in simple circuits Y Understand the process for simplifying circuits in order to determine the

voltage (E or V), current (I), resistance (R) or power (P) across any circuit component

Y Know how to make circuit measurements using the appropriate test

equipment

Continued on next page

Section 1 Page 2

January 1999

Basic Electricity Test Study Guide Skill and Knowledge Checklist

Skills and Knowledge Checklist, Continued

Electricity Fundamentals: (continued)

Circuit Identification

Y Know the three types of basic electrical circuits – series, parallel and

series-parallel

Y Understand the electrical operations of the three types of circuit

Schematic Reading

Y Recognize the basic elements of a circuit Y Recognize electrical components Y Identify schematic diagram symbols Y Understand the operation of an electrical circuit Y Understand the purpose, function and operation of circuit components

Alternating Current and Reactive Elements:

Y Understand the concepts of capacitance, inductance and reactance Y Understand the relationship of reactance with frequency Y Recognize the symbols for reactance—capacitive and inductive Y Understand the voltage (E or V) and current (I) phase relationships in

reactive (inductive or capacitive) circuits

Y Understand the concept of true power (TP), apparent power (AP) and

power factor (PF) in reactive circuits

Multimeters:

Y Understand how to connect a multimeter into a circuit to make voltage,

current, resistance and power measurements

Y Understand the proper operation of voltmeters, ohmmeters, ammeters and

watt-hour meters

Y Know how to interpret the results of multimeter operation Y Know how to use a multimeter to find shorts and opens in an electrical

circuit

Y Know how to use voltage multipliers (high voltage probes) with a multi-

meter to extend its range

Y Know how to use current multipliers (current shunts) with a multi-meter

to extend its range

Continued on next page

January 1999

Section 1 Page 3

Basic Electricity Test Study Guide Skills and Knowledge Checklist

Skill and Knowledge Checklist, Continued

Safety and Protection Devices:

Y Understand the purpose and function of fuses and circuit breakers Y Recognize schematic symbols for fuses and circuit breakers Y Understand the purpose, characteristics and operation of devices that

provide protection from current and voltage surges in electrical circuits

Y Know personal safety practices for working around electrical apparatus

Applied Math:

Y Add, subtract, multiply, and divide whole numbers and decimals Y Manipulate positive and negative numbers Y Manipulate powers of ten Y Understand symbols for subunits of electrical quantities and be able to

convert from one subunit to another (Examples: k = kilo = 1000, µ = micro = 10-6)

Y Solve equations given a formula such as Ohm’s law Y Understand what direct and inverse relationships are

Section 1 Page 4

January 1999

What Does the Checklist Tell Me?

Basic Electricity Test Study Guide Skill and Knowledge Checklist

So, you knew it all…

If you checked off ALL of the items on this list, then you probably have the skills and knowledge for any job that requires passing the basic electricity test. We still recommend that you take the practice test in Section 3. If you do well on the practice test, then you should sign up for the actual test.

So, you knew most of it…

If you checked off most of the items on the list, you should concentrate on what you DID NOT check off. Buy or borrow one of the resource books listed in Section 4, Page 8 and review it to see if it answers your questions. If you feel that your self-study session brought your skills up to par, take the practice test. If you do well on the practice test, then you should sign up for the actual test.

So, you only know some of the topics…

You probably need some additional training and education even before you take the practice test. If you’re a regular full-time or regular part-time employee with at least six months of seniority, you are to participate in services offered through Employment Security PARTNERSHIP and should look at Appendix A for options. If you’re not eligible for such training, then look at Appendix B for information about obtaining further education outside of BellSouth.

January 1999

Section 1 Page 5

Basic Electricity Test Study Guide Skills and Knowledge Checklist

This page left intentionally blank

Section 1 Page 6

January 1999

Basic Electricity Test Study Guide

Section 2—Test Description

Basic Electricity Test Study Guide

Copyright © 1999 by BellSouth All rights reserved. Printed in the U.S.A. AN EQUAL OPPORTUNITY EMPLOYER BellSouth will consider requests for testing accommodations from individuals covered by the Americans with Disabilities Act. Documentation of the need for the accommodation may be required.

Basic Electricity Test Study Guide Table of Contents

Table of Contents

Page

Section 1: Skills and Knowledge Checklist

• Introduction

1

• Skills and Knowledge Checklist

2

• What does the Checklist tell me?

5

Section 2: Test Description

• The Basic Electricity Test

1

• What kinds of questions are on the test?

3

Section 3: Self Assessment

• Taking the Practice Test

1

• Reference Sheet

2

• Practice Test

3

• Scoring the Practice Test

9

• Explanation of Practice Test Questions

11

• Interpreting Your Test Score

17

Section 4: Information & Training Resources

• Evaluating Your Needs

1

• Appendix A: Training Options for Eligible Employees

3

• Appendix B: Training Options for Technician Candidates

7

January 1999

Table of Contents Page i

Basic Electricity Test Study Guide

Section 1—Skills and Knowledge Checklist

Introduction

Basic Electricity Test Study Guide Skill and Knowledge Checklist

Overview

This Study Guide is designed to familiarize you with the basic electricity knowledge and skills required by BellSouth’s technical jobs and covered by the Basic Electricity Test. It will also familiarize you with the test, help you decide if you’re ready to take it, and guide your preparation if you’re not ready at this time.

What does the Basic Electricity Test cover?

It covers four main subject areas: • Electricity Fundamentals

⇒ Electrical Concepts ⇒ Schematic Reading ⇒ Circuit Measurements ⇒ Circuit Identification • Alternating Current and Reactive Elements • Safety and Protection Devices • Multimeters In addition, you need to know: • Applied Math

What exactly do I have to know?

Here is a list of the specific things you should know and skills you should have in order to perform a job that requires a background in basic electricity. If you know and understand these things and can apply what you know, you should do well on the test.

January 1999

Section 1 Page 1

Basic Electricity Test Study Guide Skills and Knowledge Checklist

Skill and Knowledge Checklist

Stop! Get a pen Read through this list carefully and check off the box ONLY if you have a

or pencil

good understanding of that topic.

Electricity Fundamentals:

Electrical Concepts

Y Understand basic electrical principles Y Understand the laws of attraction and repulsion Y Understand the principle of charge Y Understand the concepts of current flow, electrical pressure, resistance

and energy

Y Understand the relationship of conductor size and length to current flow

and resistance

Y Identify various electrical units such as voltage, current, resistance and

power

Y Understand electrical static discharge and how it is generated

Circuit Measurements

Y Use Ohm’s law to solve for voltage (E or V), current (I) or resistance (R) Y Use the power formula to solve for power (P), voltage (E or V) or

current (I)

Y Understand the relationships of efficiency, power input and power output

in a circuit

Y Calculate the total voltage, resistance and current in simple circuits Y Understand the process for simplifying circuits in order to determine the

voltage (E or V), current (I), resistance (R) or power (P) across any circuit component

Y Know how to make circuit measurements using the appropriate test

equipment

Continued on next page

Section 1 Page 2

January 1999

Basic Electricity Test Study Guide Skill and Knowledge Checklist

Skills and Knowledge Checklist, Continued

Electricity Fundamentals: (continued)

Circuit Identification

Y Know the three types of basic electrical circuits – series, parallel and

series-parallel

Y Understand the electrical operations of the three types of circuit

Schematic Reading

Y Recognize the basic elements of a circuit Y Recognize electrical components Y Identify schematic diagram symbols Y Understand the operation of an electrical circuit Y Understand the purpose, function and operation of circuit components

Alternating Current and Reactive Elements:

Y Understand the concepts of capacitance, inductance and reactance Y Understand the relationship of reactance with frequency Y Recognize the symbols for reactance—capacitive and inductive Y Understand the voltage (E or V) and current (I) phase relationships in

reactive (inductive or capacitive) circuits

Y Understand the concept of true power (TP), apparent power (AP) and

power factor (PF) in reactive circuits

Multimeters:

Y Understand how to connect a multimeter into a circuit to make voltage,

current, resistance and power measurements

Y Understand the proper operation of voltmeters, ohmmeters, ammeters and

watt-hour meters

Y Know how to interpret the results of multimeter operation Y Know how to use a multimeter to find shorts and opens in an electrical

circuit

Y Know how to use voltage multipliers (high voltage probes) with a multi-

meter to extend its range

Y Know how to use current multipliers (current shunts) with a multi-meter

to extend its range

Continued on next page

January 1999

Section 1 Page 3

Basic Electricity Test Study Guide Skills and Knowledge Checklist

Skill and Knowledge Checklist, Continued

Safety and Protection Devices:

Y Understand the purpose and function of fuses and circuit breakers Y Recognize schematic symbols for fuses and circuit breakers Y Understand the purpose, characteristics and operation of devices that

provide protection from current and voltage surges in electrical circuits

Y Know personal safety practices for working around electrical apparatus

Applied Math:

Y Add, subtract, multiply, and divide whole numbers and decimals Y Manipulate positive and negative numbers Y Manipulate powers of ten Y Understand symbols for subunits of electrical quantities and be able to

convert from one subunit to another (Examples: k = kilo = 1000, µ = micro = 10-6)

Y Solve equations given a formula such as Ohm’s law Y Understand what direct and inverse relationships are

Section 1 Page 4

January 1999

What Does the Checklist Tell Me?

Basic Electricity Test Study Guide Skill and Knowledge Checklist

So, you knew it all…

If you checked off ALL of the items on this list, then you probably have the skills and knowledge for any job that requires passing the basic electricity test. We still recommend that you take the practice test in Section 3. If you do well on the practice test, then you should sign up for the actual test.

So, you knew most of it…

If you checked off most of the items on the list, you should concentrate on what you DID NOT check off. Buy or borrow one of the resource books listed in Section 4, Page 8 and review it to see if it answers your questions. If you feel that your self-study session brought your skills up to par, take the practice test. If you do well on the practice test, then you should sign up for the actual test.

So, you only know some of the topics…

You probably need some additional training and education even before you take the practice test. If you’re a regular full-time or regular part-time employee with at least six months of seniority, you are to participate in services offered through Employment Security PARTNERSHIP and should look at Appendix A for options. If you’re not eligible for such training, then look at Appendix B for information about obtaining further education outside of BellSouth.

January 1999

Section 1 Page 5

Basic Electricity Test Study Guide Skills and Knowledge Checklist

This page left intentionally blank

Section 1 Page 6

January 1999

Basic Electricity Test Study Guide

Section 2—Test Description

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