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Basic Circuit Troubleshooting | Basic Electricity Worksheets
Fortunately, electrical circuit troubleshooting is an activity that works well for small groups of students to engage in as well as individual students. A “virtual” troubleshooting exercise such as this one is a good way to start students thinking in the right ways to becoming effective troubleshooters.Determine if the light bulb will de-energize for each of the following breaks in the circuit. Consider just one break at a time: • Choose one option for each point: • A: de-energize / no effect • B: de-energize / no effect • C: de-energize / no effect • D: de-energize / no effect • E: de-energize / no effect • F: de-energize / no effect• A: de-energize • B: no effect • C: no effect • D: no effect • E: de-energize • F: no effectExamine the following illustration of a simple battery-switch-lamp circuit, connected together using screw-terminal blocks, each connection point on each terminal block identified by a unique number: Determine whether or not voltage should be present between the following pairs of terminal block points with the switch in the ON position: • Points 1 and 5: • Points 6 and 7: • Points 4 and 10: • Points 9 and 12: • Points 6 and 12: • Points 9 and 10: • Points 4 and 7: Now, determine whether or not voltage should be present between the following pairs of terminal block points with the switch in the OFF position: • Points 1 and 5: • Points 6 and 7: • Points 4 and 10: • Points 9 and 12: • Points 6 and 12: • Points 9 and 10: • Points 4 and 7:Switch ON: • Points 1 and 5: Voltage! • Points 6 and 7: No voltage • Points 4 and 10: No voltage • Points 9 and 12: Voltage! • Points 6 an..The following battery-switch-lamp circuit has a problem. Over time, corrosion has developed between the wire end and the screw terminal labeled “4” on the upper side of the top terminal block. This corroded connection now has a high resistance instead of a low resistance as it should. As a result, the light bulb does not energize when the switch is turned ON: Taking voltage measurements with a voltmeter, how do you think this corrosion problem will reveal itself with the switch on the ON position? In other words, which voltage measurement in this circuit (i.e. between which pair or pairs of terminal block points) will be unusual as a result of the bad connection at point #4, and approximately how much voltage should that measurement be?With the corroded connection at terminal #4, the following voltage measurements should read abnormally high (almost full battery voltage, whereas t..In this battery-switch-lamp circuit, the metal filament wire inside the lamp has burned up, so that it no longer forms an electrically continuous connection. In other words, the filament has failed “open.” Of course, this means the lamp will not turn on, no matter what is done with the switch. It also means that most of the voltage measurements taken in the circuit will be the same as with a properly operating circuit. There is, however, one voltage measurement which will be different in the circuit with the burned-out filament than in a properly working circuit. Identify what pair or pairs of terminal block points this different voltage will be measured between, what switch state (ON or OFF) it will appear in, and what this different voltage measurement will actually be relative to the battery voltage.With the filament burned open, the only voltage measurement that will change in the circuit is the voltage across the switch when it is in the OFF..In this circuit, where would you expect to measure full battery voltage (between what pairs of test points)?You should expect to measure full battery voltage with one test lead of your voltmeter touching any of the points along the top wire of the circuit..In this circuit, where would you not expect to measure significant voltage (between what pairs of test points)?You should not measure any significant voltage between any of the test points along the upper wire (A to B, A to C, A to D, etc.), nor between any..Suppose this battery and light bulb circuit failed to work. Using nothing but a voltmeter, how would you check the circuit to determine where the problem is located? Note: the letters indicate “test points” along the wiring where you may probe with the circuit with your voltmeter.There are several strategies which may be employed to find the location of the problem in this circuit. One popular technique is to “divide the cir..Suppose this battery and light bulb circuit failed to work: Using a voltmeter, a technician measures full battery voltage between the points C and H. What does this single measurement indicate about the condition of the circuit? Be as specific as you can.Based on this one measurement, we are able to determine that the battery is outputting full voltage, and that the circuit wiring is continuous from..Suppose this battery and light bulb circuit failed to work: Using a voltmeter , a technician measures full battery voltage between the points C and H. The result of this single measurement indicates which half of the circuit there is a definite problem in. What would you recommend as the next voltmeter measurement to take in troubleshooting the circuit, following the same “divide in half” strategy?To “divide the circuit in half” again, measure voltage between points D and I.Suppose this battery and light bulb circuit failed to work: Using a voltmeter, a technician measures 0 volts between the points C and H. What does this single measurement indicate about the condition of the circuit? Be as specific as you can.Based on this one measurement, we are able to determine that there is definitely a problem in the circuit somewhere on the left-hand side (from poi..
Troubleshooting With Schematic Diagrams | HVACR
We have a DVD training package you can buy so you can learn the fundamentals of schematics and using them to troubleshoot. The price $300, and you can get details on it by clicking on the link below. It's called The HVACR Electrical Troubleshooting With Schematic Diagrams Training Package.
Troubleshooting Electrical Circuits | Simutech Multimedia
THE SIMULATIONS 4 instructional circuit simulations teach students how to find faults using a multimeter and apply these proven techniques. The main lighting circuit simulation contains components typically found in electrical circuits, including fuses, push buttons, switches, relays, wiring, and lights.[PDF]
basic electrical theory & troubleshooting. safetyis the most important thing. electricity can kill you! •voltage always follows the path of least resistance •it takes less than 1 amp reading a schematic. schematic symbols. troubleshooting 101 even easier than reading a
Troubleshoot Electrical Wiring Problems - Ask-The-Electrician
I must admit that my father loved troubleshooting! He would rather take on the task of troubleshooting electrical wiring then he would construction jobs, he was the Best Troubleshooter there was; and I'm glad to say that I listened and paid attention to his teachings about troubleshooting.
Videos of electrical schematic troubleshooting
Click to view on YouTube17:49Reading HVAC Electrical Wiring Diagrams for Troubleshooting!47K viewsYouTube · 2 years agoClick to view on YouTube31:36Automotive Electrical troubleshooting Using Wiring schematics part 151K viewsYouTube · 7 years agoClick to view on YouTube10:30Review 2, Automotive Electrical Troubleshooting Using schematics9 viewsYouTube · 7 years agoSee more videos of electrical schematic troubleshooting
Fundamental Electrical Troubleshooting | Industrial
Fundamental Electrical Troubleshooting test and training software tool is designed for industrial electrical wiring troubleshooting and testing, but can be used to residentail and commercial electricians too. Includes a common, yet simple electric circuit with hydraulic cicuit, for a full troubleshooting test.
Online Electrical Troubleshooting Training Course – TPC
The Electrical Troubleshooting online electrical training course covers use of schematic diagrams, determining sequence of operation, and use of building diagrams and single-line diagrams. Includes maintenance procedures for control circuits and combination starters.
How to Repair a Camper Travel Trailer Electrical System
Aug 16, 2009I would recommend RV Electrical Systems: A Basic Guide to Troubleshooting, Repairing and Improvement to any novice and experienced electrician alike. It will be an enormous aid to understanding RV electrical systems. Another must for tracing down electrical problems is a voltage meter. This handy tool will allow you to check the circuits forAuthor: Randy Godwin
Trade Secrets - Troubleshooting Home Electrical Problems
Electrician's uncluttered site solves home electrical problems with thorough info, tips, and diagrams for electrical troubleshooting of breakers, GFCIs, 3-ways, etc. The Circuit Detective Home Electrical Troubleshooting. MENU Home Sitemap Background. Understand your system How things go wrong. Troubleshooting.
10 Common Electrical Problems and Solutions | This Old House
Overlamping is when a light fixture has a bulb with a higher wattage than the fixture is designed for. Uncovered junction boxes increase the risk of wire damage and shock 1. Overlamping. What it Lights flicker when it's windy because frayed wiring causes a short whenever the cables move 2. Not enough outlets means you're likely to rely on extension cords and power strips 3. Lights Flicker See all full list on thisoldhouse
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