| Subject | Date Asked | Expert |
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| Marathon B311 | 7/3/2008 | Charles C. Jones |
Q: We have a Marathon B311 motor that we would like to utilize a Dayton 2X440 drum switch with to ...
A: Due to safety reasons, the only way I wire a drum switch is to bring out all six leads to the drum ...
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| How to verify the operation of a 3 phase motor | 7/3/2008 | Charles C. Jones |
Q: I have a friend who would like me to check and make sure a 3-phase AC motor is still in good working ...
A: It needs to be tested with a megohmmeter. This will give you a accurate reading of the insulation ...
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| Loss of power to one bedroom of my house. | 7/1/2008 | Jeremy Adams |
Q: this morning I lost power to all outlets and the only ceiling light in my bedroom. My wife was ...
A: Just wondering if we fixed your problem? Thanks for the feedback! Thanks again, Jeremy Luke, ...
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| Motor wiring | 7/1/2008 | Jeremy Adams |
Q: I have a 1 HP motor and hydraulic pump configuration that I would like to ask a question about. I ...
A: Duane, I have no problem with you having my e-mail address to send some supplemental photos to, ...
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| Wood utility pole | 6/30/2008 | George V. Noller |
Q: My wife struck a utility pole with her car. She survived, the pole did not. The utility company ...
A: Tim, I am sorry to hear of your wife's accident. I hope she was not injured. There are quite a ...
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| compressor motor problem | 6/30/2008 | Charles C. Jones |
Q: I have a compressor with a 'Brooks Crompton' single phase 230v 3hp 2.2kw motor; it has two ...
A: First check that the compressor turns free. Capacitors normally have the data written on them. Run ...
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| AC electric motors | 6/30/2008 | Charles C. Jones |
Q: Can a start capacitor be added to my single phase 3/4 hp. motor, to stop power drop at start up. It ...
A: If the compressor is starting ok, then your problem is in the circuit it is connected too. It may be ...
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| Reverse polarity | 6/29/2008 | Charles C. Jones |
Q: The rear fan blade broke on my General Electric airconditioner,Model#AJCH12DCM1.To replace the ...
A: Unless you have another set of wires brought out to reverse the motor, it is set rotation. Now I ...
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| Electric Motors | 6/26/2008 | Jeremy Adams |
Q: can you explain to me why an electrical motor that is failing pulls more amps?
A: I can tell you a motors amp rating is based on its efficiency. If you have an inefficiency, that ...
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| amp draw for multiple motors | 6/25/2008 | Jeremy Adams |
Q: Jeremy, First, thanks for your time. I am having a controller built that will operate 40 winches at ...
A: Bob, First, let me say WOW! I concur with you on the logic. The numbers just do not add up, However ...
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| Electrical Phases | 6/25/2008 | Charles C. Jones |
Q: I am confused about phasing in electricity. First is it possible to run single phase and three phase ...
A: Yes you can get single phase from your three phase panel. You will use one or two lines. For ...
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| electrical dryer | 6/24/2008 | Charles C. Jones |
Q: I recently installed 10-2 wiring set up for an electrical dryer, along with a double 20amp breaker ...
A: I do not service appliances, but you may have a bad heating element. You will need to check for 220 ...
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| MOTOR STARTING | 6/23/2008 | Charles C. Jones |
Q: I HAVE A BALDOR INDUSTRIAL SINGLE PHASE MOTOR RATED A 3HP, 3450 RPM, 60HZ, 28/14 AMPS. THE MOTOR IS ...
A: It seems you still have a problem in the start winding. But first, do you hear the head release ...
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| help | 6/22/2008 | Jeremy Adams |
Q: the other day, due to a fail of the impermebilizaction of the roof in the mall,and a hard rain, my ...
A: Your engineer is correct, unless you have an ample amount of water and the combination of a frayed ...
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| MOTOR STARTING | 6/20/2008 | Charles C. Jones |
Q: I HAVE A BALDOR INDUSTRIAL SINGLE PHASE MOTOR RATED A 3HP, 3450 RPM, 60HZ, 28/14 AMPS. THE MOTOR IS ...
A: The first two questions I ask is, Does the compressor turn free? Is the line voltage the same as the ...
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| follow info: reversing boat winch motor | 6/18/2008 | Charles C. Jones |
Q: Here is some additional info on the elec. motor I emailed about yesterday: Dayton Model:5K482K ...
A: It will work just fine, you just need to bring out all the leads to the drum switch. (Leave 2&3 ...
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| How do I wire a HVAC squirrel cage blower? | 6/17/2008 | Charles C. Jones |
Q: I have a double squirrel cage blower without any markings on it. It has five wires ( blue , red , ...
A: These units are not dual voltage. Black, red, blue, and yellow are the speeds. White is common. For ...
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| generator | 6/17/2008 | Al Dykstra |
Q: May be please tell me the theory in starting any generator ?
A: First, the prime mover (Hydro Turbine, Steam Turbine, Gas Turbine or Diesel Engine) is used to bring ...
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| d112m aei stayrite motor | 6/14/2008 | Charles C. Jones |
Q: could you please tell me what size of capacitors are required for the above motor and also where ...
A: Start capacitors are connected in series with the start winding. There is no rule for sizing ...
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| testing an ac compressor motor | 6/12/2008 | Charles C. Jones |
Q: Mr. Jones- I hope you can help me. I recently installed a 110v/220v compressor. I was told ...
A: Continuity between three leads? There should be only two leads that have continuity, the ones that ...
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| drum switch | 6/10/2008 | Charles C. Jones |
Q: I have an early model (70's) jet lathe I bought as a basket case. I want to wire the drum switch for ...
A: First, number A1 as #8, and A2 as #5. Then use this diagram to wire the drum switch: ...
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| 3/4 HP 110/220VAC Cap Start Doerr Motor | 6/10/2008 | Charles C. Jones |
Q: Motor appears to be wired permanently for 110VAC; Run windings are joined internally {with T1 to T3 ...
A: The stationary switch you are referring to I believe is a instant reverse switch. It is made so that ...
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| coil | 6/10/2008 | Charles C. Jones |
Q: I would like to build an electric coil ( copper, solid wire AGW #8 ) and I don't know what kind of ...
A: You cannot make a coil with bare wire. Any manufactured coil, whether for a contactor or ...
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| Ground_Neutral Voltage inPool | 6/9/2008 | Jeremy Adams |
Q: Jeremy, hopefully you can give me some direction/advice and/or point me in the right direction. This ...
A: Bill, I am not familiar with your problem, however I can say that you need to ground your handrail ...
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| 30 AMP power | 6/8/2008 | Jeremy Adams |
Q: I want to run a 30 AMP line to my side yard to power a travel trailer. distance of about 175 feet. ...
A: Don, The NEC has standards set for voltage drops with a maximum VD of 3%. Not knowing your ...
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| pool electricity | 6/7/2008 | Jeremy Adams |
Q: We are putting a 15foot round soft sided pool and have to get an electrical inspection. How do we ...
A: Deanna, All electrical codes are a minimum of The NEC (National Electrical Code). Each ...
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| Electrical | 6/6/2008 | Jeremy Adams |
Q: My name chris and i have a dj business here in san diego. i have been getting a lot of power failure ...
A: Sounds like you are definitely overloading your circuits. If you are plugging all your equipment in ...
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| Main causes of price fluctuations? | 6/2/2008 | W.A. (Bill) Stevens |
Q: The power company that supplies my electricity generates its power via nuclear power plants. On my ...
A: Sorry to be so tardy getting back to you ... been out of the country for a week. Today, and except ...
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| electric motor | 5/28/2008 | Charles C. Jones |
Q: I just bought a metal lathe and the guy i bought it off off cut the wires at the motor and they are ...
A: Without numbers or colors, I'm as lost as you are. A service center could probably trace the wires ...
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| dayton motor mod # 4k641 s/n 560201 frame 56 1/2 hp dble end shaft | 5/28/2008 | Charles C. Jones |
Q: Want to use this good old dayton motor on my southbend 10" lathe. No wiring diagram that I can ...
A: All I can supply is these diagrams. The motor will probably have to be disassembled for the ...
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| 3/4 hp 3450 rpm motor replacement | 5/24/2008 | Charles C. Jones |
Q: the sears repair said they no longer have most the parts for that motor. the instruction manual says ...
A: Sears has had a bad habit of installing motors that are not standard frame sizes, just so you will ...
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| winding resistance values for a 60 hp AC motor | 5/23/2008 | Charles C. Jones |
Q: what resistance values should I expect through the windings of a 3ph, 60 hp, 575VAC motor ? An air ...
A: I do not know the actual resistance values for any motor. We do not even test for these values. You ...
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| 3 phase motor | 5/21/2008 | Charles C. Jones |
Q: I am currently an apprentice and i am having difficulty with an assignment. I am working on an 3 ...
A: Each phase should be tested and compared to each other. They should be uniform amperage draw. There ...
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| electric energy consumption | 5/21/2008 | W.A. (Bill) Stevens |
Q: Does it use more energy to turn a light off when you leave a room for a few minutes, then turn it ...
A: David - I personally wouldn't bother to turn off a light for only a minute or two, but that's the ...
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| 115 VOLTAGE? | 5/20/2008 | Bob Mossman |
Q: what is 115 Vlotage? I know that this is a very basic question, but I am trying to get a window air ...
A: Jo, The vast majority of homes have two voltages available in their circuit breaker or fuse boxes ...
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| oil filled motors | 5/18/2008 | Charles C. Jones |
Q: Now my problem is that I've opened up a 220 single phase trash pump/submerged motor. All the oil ...
A: They are the same. We use Chevron insulating oil, a 5W mineral oil. You can probably get yours at a ...
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| Reversng motor | 5/16/2008 | Charles C. Jones |
Q: For better clarification, the J wire comes off the overload reset switch which is located inside the ...
A: The T5 cannot be on the same terminal as T4. As the left side of the diagram shows, T5,T4 are L1. ...
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| Lesson single phase dual voltage motor | 5/16/2008 | Charles C. Jones |
Q: Resently a co-worker installed about a 1/2 HP motor on a grinder pump,and all is well. Our ...
A: T9 is probably connected to a capacitor, or possibly to the stationary switch. If you have a motor ...
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| Combined cycle power plant | 5/15/2008 | W.A. (Bill) Stevens |
Q: We are thinking of setting up a combined cycle power plant using natural gas. What is your opinion ...
A: John - I think a gas-fired combined-cycle electric power plant could be very good, very bad, or ...
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| query | 5/15/2008 | Bob Mossman |
Q: i am sorry i did forget to ask my question, if a breaker is being used to control the dimmer on and ...
A: Brian, 900 watts is a fairly sizable load on a 15 or 20 amp circuit and occasionally a breaker will ...
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