Electrical Troubleshooting
Electrical troubleshooting involves checking and resolving an electrical problem (such as when an electrical device stops working correctly). Common troubleshooting practices include checking if the power is on, the bulb has burnt out, or the breaker tripped.
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JayKayfor USA, Canada and countries running a 60 Hz power supply service. The device could be faulty and it...
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You have a short circuit. Somewhere a hot wire is connected directly to ground. CALL AN ELECTRICIAN!!! Unplug all devices...
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electrical stuff naturally will be warm because it is resistive but an overloaded switch will also get hot and that is not...
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A loose or disconnected neutral wire at breaker box or at the appliance. Depending on what is on when and if two or more motors...
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for USA, Canada and countries using similar 60Hz household electricity supplies First, get the circuits around the house tested...
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Probably, but it may be dirty and unable to "see" the daylight and turn off. Here is more input and advice: If your...
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for USA, Canada and countries running a 60 Hz power supply service.The short answer is that safe capacity in buildings is...
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One possible reason is arcing inside the lamp socket. Loose bulbs can arc inside the socket. One sure sign of arcing is if the...
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AnswerHaving the surge protector should not affect individual circuits. It sounds more like to me you have a bad neutral...
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The question includes reference to a three phase system. This implies that AC is involved, and an oddity of AC is that the...
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(Note: I am not an electrician nor a professional editor, but this answer is (was) a run-on sentence. Without any capitalization,...
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Heaters use a lot of power and can easily exceed the capacity of an already loaded circuit. Anything with a motor or fan will use...
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This could be because so many of the light bulbs are now so cheaply made they can't hold up to regular use. If this is a regular...
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not alot of info but do you have something on a timer that is coming on at that time what are you calling a main...
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Tighten the bulb/plug Make sure both the hot (black) and neutral (white) connections under the wire nuts are solid, and that...
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i am 6 grade and long ago i dropped my phone in a cup of water. it did not work for a long time so i put it away for like months....
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for USA, Canada and countries running a 60 Hz supply service. Typically black and red. Neutral is usually white. ...
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there was probably a hot wire in that mess in that box and you just mistied them when you installed the switch are you sure that...
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if electrical panel is labeled LT, usually means its a lighting panel
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For sine waves: To calculate the RMS value of a sine wave, multiply the peak value by 0.707. The peak value is, of course, one...
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You might be plugging something in that could have a fault on it, sometimes plugging in a transformer could trip out your fuse,...
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how can burn three phase motor in single phase
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That condition is called a "ground fault". That's when the insulation of the motor winding has a break somewhere, allowing...
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Actually I have experienced this problem, as I bet have a lot of other people. An AC uses a large amount of electrical...
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No. Emergency lights are designed to turn ON when there is a power loss or outage either from their back up battery or from an...
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It is the leg to ground or (star point) of 3 phase 480 volts. 480/1.73 = 277 volts
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2.2L engine Caution Relieve the fuel system pressure before servicing fuel system components in order to reduce the risk of...
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Stationary electricity is..... well electricity that is not moving, electricity remains static when it is on the surface of an...
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The 59 relay is an overvoltage relay. The 59N relay is an overvoltage relay for the neutral circuit. Check neutral and make...
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Can anyone locate wiring schematic for 47546 security tv camera? White=ground Yellow=Audio Tip Blue=Video Tip Orange=V+...
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The problem sounds like it could be a simple as a loose wire at the outlet, sometimes the outlets are wired using the stab in...
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kW is the unit of real power & kVA is the unit of Apparent power. Apparent Power= real power + reactive power Besides...
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1930 for most homes
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Go to http://www.hmaservice.com/ select the Shop tab and then Elantra 2002. you will find it in Body Electrical System ->...
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It could be that you have a bad connection behind the fixture. If the wire nut is loose you will have voltage, but not as much...
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No, of course not. A 240 V appliance needs 240 volts to operate. Besides the plugs, male and female are completely different...
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schematic drawings explain electrical circuits. First you must know the basic requirments for any curcuit. 1. All circuits must...
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synchronous and induction motors
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This is a form of corrosion sometimes found on wiring or in the outlets. You need to have a licensed electrician replace the...
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for USA, Canada and countries running a 60 Hz supply service. Call the utility company to check the supply to the house. If it...
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The 89 Olds 98 uses a series-1 3800 motor and the EGR valve is a 3 piston unit mounted on a flange with direct access to the...
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These were poorly designed units and have no replacement parts available. Don't buy one from a junkyard--you'll have the same...
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Not exactly. Breakers trip because the current exceeds the rating of that breaker. In other words....you're plugging too much...
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Check to see that the jumper tab on the side of the receptacle isn't broken. If it is, this cannot be reversed but the receptacle...
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From what this question is saying, the TEST button is doing its job - it is testing ( = checking) that the GFCI is working...
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depends on how low incoming ppower is unit will have min max allowable voltage on name plate but the lower the voltage the...
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If the meter was set for "current" (amps) and the leads were connected to the current input, you hope it will read 0. -- It...
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An earthing transformer is usually associated with three phase supply systems. Earthing of any electrical system at the source is...
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Talking and typing. I think the types of communication based on our subject communication 101 are: Intrapersonal Interpersonal...
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If you are referring to a Megometer, it is a test of the insulation properties of such things as electric wiring, motor windings...
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GFCI receptacles are extremely sensitive, there are any number of reasons this may not be working for you. The first thing you...
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I would venture to guess that yyour wiring is in series and when a plug is inserted it closes the circuit ie. positive...
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Electrical manometer is an electronic manometer use to record pressures between two points. It is commonly used in recording...
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A generator needs to have residual magnetism in its field coils to start the generation of electricity. A generator that has not...
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Those are called "ground fault interrupter" (GFCI) outlets. They test to see if a fault exists anywhere on the circuit. They were...
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Ok, lets assume that these are not newly installed lights or lights added to this already existing circuit first what type of...
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Possibly because you still have an air pocket in the system because of not bleeding properly. Low coolant typically means just...
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When the tungsten in the lightbulb filament reaches the point where it cannot handle the current anymore, because too much of it...
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It has a program on it, kind of like an alarm. Go to the settingsto fix it.
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<><><> Four possibilities: 1. Look for a Turn Switch or a Pull-Chain hanging from the fan - if there is one...
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The way you check to see if an under voltage relay is wired properly is to disconnect the electrical supply. If the device that...
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I have a 97 sunfire, I am the only owner and I am at 206679.5 km. The only problem I have had to endure so far was the timing...
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it convers 12 volts into 50,000 volts Coil in electronics means wire wrap around some media the get different uses in...
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you can disconnect the negative cable at the battery for at least 30 seconds. if the problem is intermittent, the light will be...
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No, the motor has to be connected to the line voltage through a set of fuses and then an electrical contactor. Also the motor...
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Old practice [accepted by National Electrical Code requirements] allowed the frame [chassis] of dryer to be bonded to the neutral...
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AnswerBad ground? or a loose connection.
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You need a reset circuit in the 8051, as in every logic circuit, in order to ensure that it starts up in a known state.
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I used to own a number of Samurai's, and had the mechanical fuel pumps go bad a couple times. But not the way you'd expect: It...
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That info is on pages 18 and 19 of the EF(Engine fuel) & EC(Emission control)section of the 1987 Nissan Truck/Pathfinder service...
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Easy to understand when you see one but hard to explain in words. Here is a site about ladder...
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because pf will be improved so reactive current decrease so total current decrease so voltage drop decrease
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A breaker is a current activated device. New to these forums so, not sure on the etiquette of improving the answer above. I...
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MOST LIKELY... when a dashboard back light is out it's usually caused by one or more burned out bulbs.
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"obfuscated" just means "hidden". The virus was written in a way that makes it difficult to find, allowing it to hide in your...
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Turn off the power. Take the box apart. Attach the box to the wall either using the studs inside the wall (if there are no...
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Depends for what car and what year - please be more specific.
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Maybe because you have too many items or something , maybe , just maybe , SEAN BEAN hacked into your laptop and freezed it with...
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-www.installdr.com has the best wiring diagram collection I have seen. A pretty comprehensive list of auto manufacturers....
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Upgrading your service will not keep individual circuits from tripping. An overloaded circuit on a 400-amp service will still...
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Click on the link below Click on Owner Guides The owners manual ( which includes the fuse diagram ) can be viewed online
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Probably the reason is in the different voltages between the star and delta connection voltages. An electromagnetic brake...
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The voltage regulator is defective. It may be internal or external to the alternator. Any auto parts store can provide this...
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Because if you don't know exactly what you are doing and you don't take good care not to touch the wrong things you can easily...
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Look very closely at the breaker, it could be in the tripped position. Compare the position of the handle in relationship with...
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In all probability the fuse has blown for one reason or another - start by replacing the fuse (panel located under dash or in...
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You shouldn't have to clean the contacts. If they aren't working, it's often due to damage from arcing. However, you can use...
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You can, and you will get a reading if the leakage is within the operating parameters of the megger or there is a dead short in...
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If the circuit breaker to a dryer, or to any load, keeps getting hot and trips the breaker, then either the load is pulling too...
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A name which describes the type of job this agent will retrieve for you. Be specific so you can distinguish between agents if you...
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You may have a bad hot or a bad neutral, or both. This circuit should be protected by a GFCI and is covered in the NEC Code...
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Not as we know it, but Benjamine Franklin, in a famous 1752 experiment, he flew a kite with a key attached to prove that...
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As a service electrician, I saw this many times. I would bet a paycheck on the fact that there's a GFI you haven't found yet, or...
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AnswerThere are two ways to answer this question, depending upon what the questioner means by the "size" of a light bulb. ...
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Neon glows red when excited in an electric field.
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It is not really a circuit, traffic lights in todays world are controlled by programable logic controllers or a plc. There are...
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I have a 1993 softail wiring diagram. Probably a lot of similarities. Email me at dddono00@yahoo.com and I'll email it back to...
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