35401 Electrical Troubleshooting TG
Contents
1. Electricity and Electronics Introduction Electrical Troubleshooting summarizes and explains the basic procedures used to troubleshoot electrical circuits and components utilized in the home and industry Students will learn how to diagnose and repair common electrical problems The program also describes how to use cer tain electrical testing equipment Electrical troubleshooting skills are needed in a variety of pro fessions These professions include auto mechanics appliance repair residential wiring manu facturing technology and many more This program provides students with the essential informa tion needed to grasp the concepts of electrical troubleshooting and repair However it does not cover the safety rules that should be followed when working around electricity Make sure stu dents learn and follow these particular safety rules The program is organized into major sections or topics Each section covers one major segment of the subject Graphic breaks are given between each section so that you can stop the video for class discussion demonstrations to answer questions or to ask questions This allows you to watch only a portion of the program each day or to present it in its entirety This program is part of the ten part series Electricity and Electronics which includes the following titles e Electrical Principles e Electrical Circuits Ohm s Law e Electrical Components Part l Resistors Batte2. an electrical short 4 Why are high and low resistances sometimes difficult to detect in an electrical circuit 5 List some of the instruments that are used for circuit testing 6 Describe the basic procedures used to troubleshoot an electrical circuit 7 How is a wiring diagram used to diagnose electrical problems in a circuit 8 Describe the procedures normally used to test a capacitor Short Answers Briefly answer the following questions in your own words 1 Why is it important to know and follow all safety rules when working around electricity 2 List the three basic types of electrical circuit problems 3 What are the three instruments that make up a multimeter 4 What troubleshooting procedures should be followed if an electric heater has no power 5 How do you normally check for wiring problems in an electrical circuit 6 Explain the purpose of a circuit breaker 7 Name some of the causes of a blown fuse 8 How does a variable resistor operate 9 Name some of the causes of a faulty relay 10 Describe how to properly solder a wire to an electrical component Technical Terms Write definitions for the following terms Use a textbook or review the video if needed electrical circuit opens shorts electrical resistance circuit conductor electric motor switches resistors coils ohmmeter circuit breaker jumper wire test light multimeter solenoid relay ammeter voltmeter magnetic field electrical values wir
3. d all of the above 9 An ohmmeter will measure the amount of or in a Circuit a current amperage b resistance ohms c pressure voltage d resistance amperage 10 Which of the following procedures is used to troubleshoot an electrical circuit a Using all of your senses b Verifying your repair c Observing the symptoms d All of the above 11 A will detail common problems symptoms and corrections for the electrical unit being repaired a troubleshooting chart b wiring diagram c circuit manual d none of the above 12 use to represent the components in a circuit a Troubleshooting charts numbers b Wiring diagrams symbols c Circuit charts colors d Service manuals numbers 13 When tracing for a loss of power in a circuit you should first check for a faulty capacitors b shorted resistors c wiring problems d shorted relays 14 When replacing fuses circuit breakers and fusible links always use a replacement of the same a resistance rating b voltage rating c Capacitance rating d amp rating 15 Which of the following instruments is normally used to test the operation of a capacitor a Jumper wire b Ohmmeter c Test light d None of the above Answer Key Use your own judgment to evaluate the Discussion Topics Short Answers and Technical Terms Quiz Answer Key 1b 2c 3a 4d 5a 6c 7d 8a 9b 10d 11 a 12 b 13 c 14 d 15 b Useful Web Sites IEEE Virtual Museum The History of Electricit
4. he link between electricity and magnetism induction A Cambridge Educational Production The Generation of Electricity e VHS DVD R e Recommended by Science Books amp Films e Item 2621 The basic principle of electromagnetic generation of electric current is demonstrated in the labo ratory the principles behind the rather complicated construction of AC and DC generators is elucidated by means of a single coil the use of slip rings and commutators is demonstrated and a demonstration shows the relationship between the amounts of mechanical energy input in a generator and the electrical energy output Sequences at a 2 000 megawatt coal fired generator demonstrate that the same basic principles are operative but the processes in a large industrial electricity generator are far more complex Part of the series Physics in Action 19 minutes Understanding Electricity e VHS DVD R e Preview clip online e Item 11937 From the lighting of homes to the beating of a heart electricity is an integral and fundamental force in human life In this program a variety of experts discuss the study and wide ranging uses of this pervasive phenomenon from the physics of motors and neon lights to the output of the Hoover Dam Engaging computer graphics are used to explain voltage amps and watts Dr Martin Uman of the University of Florida Lightning Research Lab conducts modern versions of the experiment Ben Franklin made famous Dr Hugh Calkins D
5. ing diagrams ohms capacitor electrical troubleshooting chart wire color codes voltage drop test inductive ammeter variable resistor soldering gun motor brushes motor armature electric motor bearings motor windings crimp connectors rosin core solder acid core solder Quiz 1 A n will normally increase total circuit and reduce total circuit current a fuse voltage b open resistance c short resistance d none of the above 2 A n causes more and less resistance a open current b open voltage c short current d all of the above 3 Which of the following is the most difficult to diagnose in a faulty circuit a High or low resistance b A short c An open d A bad fuse 4 Which of the following electrical components can be tested with a jumper wire a Switch b Relay c Solenoid d All of the above 5 A n is a fast method of checking a for power a test light circuit b digital thermometer resistor c inductive ammeter resistor d none of the above 6 A multimeter s setting is used to measure the amount of electrical pressure or in a Circuit a ohmmeter amps b ammeter resistance c voltmeter volts d ohmmeter current 7 A multimeter s setting measures the amount of or electrical flow in a circuit a ohmmeter voltage b ammeter resistance c voltmeter amperage d ammeter current 8 A n uses the magnetic field around the wire to measure current a inductive ammeter b test light c inductive ohmmeter
6. irector of Electrophysiology at Johns Hopkins Hospital discusses innovations in defibrillators that can now be installed in the patient A Discovery Channel Production 1997 53 minutes 2572 Brunswick Pike Lawrenceville NJ 08648 www shopware usa com Call Toll Free 800 487 3392
7. nsistors and Diodes Electronic Components Part Il Operation Transistors and Diodes Electronic Components Part Ill Thyristors Piezo Crystals Solar Cells and Fiber Optics Electrical Troubleshooting Electronic Circuit Repair Electric Power on the Move e VHS DVD R e Viewable printable teacher s guide online e Produced in association with the Accreditation Board for Engineering and Technology and the Junior Engineering Technical Society e Item 34288 This Science Screen Report looks at the production transportation and consumption of electrici ty Using the Hoover Dam as an example of efficient hydroelectric power generation the video illustrates how transformers raise or lower voltage and how electricity is channeled to illuminate buildings power devices and propel vehicles The difference between alternating and direct cur rent is discussed as well as advantages of neon over filament bulbs Animated segments help students with vital electrical concepts including ohms volts and amperes 2004 18 minutes Residential Electrical Wiring e VHS DVD e Preview clip online e Viewable printable teacher s guide online e Correlates to the National Center for Construction Education and Research standards e Item 32070 This eight part series is filled with information on installing upgrading and updating residential electrical service walking students through all the major processes they ll need to know A Shopware Producti
8. on 2004 16 21 minutes each The series includes The Service Entrance Panelboards Wiring Methods Grounding GFClIs and AFCls Receptacles and Switches Wiring Light Fixtures Wiring for Appliances Electricity e VHS DVD R e Viewable printable teacher s guide online e Item 3548 This six part series covers many of the fundamental concepts in the study of electricity It explores the mystery of electricity s causes and effects and enable students to visualize and thereby understand abstract and sometimes difficult concepts in physics 10 minutes each The series includes Conductors and Insulators Charging and Discharging Charging by Induction Current Electricity Potential Difference Resistance Electricity and Magnetism e CD ROM Windows Macintosh e Activity sheets e Preview clip online e Correlates to the National Science Education Standards developed by the National Academies of Science and Project 2061 Benchmarks for Science Literacy from the American Association for the Advancement of Science e Item 10267 This program examines the principles of electricity and magnetism and gives students insight into this fascinating topic covering such subjects as static electricity attraction repulsion current electricity and electrical circuits measuring electricity current voltage meters electrical calcula tions magnetism materials fields rules Earth s field field around a current carrying wire t
9. ries and Switches e Electrical Components Part II Capacitors Fuses Flashers and Coils e Electrical Components Part Ill Transformers Relays and Motors e Electronic Components Part l Semiconductors Transistors and Diodes e Electronic Components Part Il Operation Transistors and Diodes e Electronic Components Part Ill Thyristors Piezo Crystals Solar Cells and Fiber Optics e Electrical Troubleshooting e Electronic Circuit Repair To order additional titles please see Additional Resources at www filmsmediagroup com at the end of this guide Student Objectives After viewing this program the student will be able to e List the three basic types of electrical circuit problems e Describe the purpose of a jumper wire e Explain how to use a test light to check a circuit for power e Describe the different functions of a multimeter e Explain how an inductive ammeter operates e List the basic techniques for troubleshooting an electrical circuit e Explain the importance of a service manual when troubleshooting an electrical circuit Copyright 2006 Shopware e Detect wiring problems in a circuit e Test the operation of fuses circuit breakers resistors relays switches capacitors and other components in a circuit Discussion Topics 1 Name some of the professions that utilize electrical troubleshooting skills 2 What type of electrical problems can occur in the home 3 Name some of the causes of
10. y Electronics and Computers www ieee virtual museum org Community Learning Network Click on Technology Education for educational resources in Electronics and Electricity http www cln org subject_index html Greatest Engineering Achievements of the 20th Century Click on Electrification Electronics and more http www greatachievements org Superconductor Information for Beginners http superconductors org Additional Resources at www filmsmediagroup com Available from Films Media Group www filmsmediagroup com 1 800 257 5126 Electricity and Electronics e VHS DVD e Preview clip online e Viewable printable teacher s guide online e Item 34798 The program you have just viewed is part of the ten part series Electricity and Electronics The series provides a comprehensive guide to the study of electronics ranging from the fundamental laws and principles of electricity at the atomic level to troubleshooting and repair of electronic components Lively computer animation and hands on demonstrations make these videos an ideal resource for the classroom A Shopware Production 18 24 minutes each The series includes Electrical Principles Electrical Circuits Ohm s Law Electrical Components Part l Resistors Batteries and Switches Electrical Components Part II Capacitors Fuses Flashers and Coils Electrical Components Part Ill Transformers Relays and Motors Electronic Components Part l Semiconductors Tra
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