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Electric Power & Utilities/Questions
| Subject | Date Asked | Expert |
| Loss of power to part of my home | 1/30/2012 | Charles C. Jones |
| Q: My home was built in 1976. I leave home for less than 3 hours and when I returned home I could not ... A: Although this is not my expertise here, I'll see if I can help. First check if you have voltage ... | ||
| wiring a leeson motor for 220v | 12/3/2011 | Charles C. Jones |
| Q: I was wondering if you could help me understand this wiring diagram for the new motor for my drill ... A: Connect 220 line black to P1. Connect line white to T4&T5. Insulate P2. Connect T2,3,8 together and ... | ||
| Question about a motor | 12/1/2011 | Charles C. Jones |
| Q: I work at a auto service shop and we have a John S Barnes Lift Machine, I think the motor has gone ... A: Most of these motors are OEM. (Original Equipment Manufactured) These are made for a specific ... | ||
| Dewalt sliding compound miter saw stopped running | 11/18/2011 | Charles C. Jones |
| Q: I Have a Dewalt DW708 type 3, 12inch sliding compound miter saw. It just stopped working. I think it ... A: My best guess would be a open in the system. With a ohm meter, test from the prongs of the power ... | ||
| Dayton Motor Wire Diagram | 11/15/2011 | Charles C. Jones |
| Q: I have a Dayton 6K805E motor which I had repaired and the wiring diagram on the motor plate is ... A: All I can supply is the NEMA standards connections here, ... | ||
| Dayton LR22132 Compressor motor | 11/4/2011 | Charles C. Jones |
| Q: I have 2 of the motors listed above that came wth an older model Speedaire air compressor. the ... A: It is simple, with the right tools. You will need a set pullers, to remove the bearings. Then a ... | ||
| electric motor rewire | 11/3/2011 | Charles C. Jones |
| Q: I inherited an old Walker Turner drill press (1940s). 1/2 HP, dual voltage motor that ran on 220. I ... A: First, label the two loose wires 1 and 4. Separate the other leads. With a ohm meter, connect one ... | ||
| Induction motor | 10/23/2011 | Charles C. Jones |
| Q: I have a basic 1 ph. 220 v. 3 hp. motor that come right up to speed but draws over 70 a. on each leg ... A: If I had the motor at my shop, this would be how I would take the start winding out of circuit, and ... | ||
| 3PH TO SINGLE PH | 10/4/2011 | Charles C. Jones |
| Q: except for changing the electrical service to 3 ph can i do anything to convert my motor to except ... A: For the cost of installing three phase service, you could buy quite a few single phase motors. If ... | ||
| Power plant natural gas use | 9/29/2011 | W.A. (Bill) Stevens |
| Q: how many cubic meters of natural gas per year would a power plant burn if it were rated as a 500 mw ... A: John - a) Let's say the the electrical generator is a very efficient combined-cycle unit with a heat ... | ||
| run/start capacitors | 9/13/2011 | Charles C. Jones |
| Q: Mr.Jones, I need to check the capacitors on a compressor motor. the motor will not start. It has ... A: Most Fluke meters will test capacitors. Select the uf button. Bleed off the capacitor by shorting ... | ||
| Testing 3 phase motor. Results | 8/23/2011 | Charles C. Jones |
| Q: I am a Q.C. inspector and am testing a tatung electric motor. It's 10 HP, 3 phase, 208-230/440 Volt ... A: The resistance shows a good reading. At our shop, a reading of less that 2 meg ohms requires a wash ... | ||
| AC motor switch turning direction | 8/18/2011 | Charles C. Jones |
| Q: My AC motor fail (made by Emerson) and I got a replacement motor from Grainger (Dayton split ... A: Eric, the brown/white, and the brown connect to the capacitor. Are you sure on the capacitor size? A ... | ||
| Wiring a motor to a switch | 8/16/2011 | Charles C. Jones |
| Q: I need help wiring a 1hp Marathon electric motor to a one way switch. It's model # 5KC49TN0063Y: ... A: Connect Black,(J10), white,(T2), and yellow,(T4) to the black line of your power lead. Connect ... | ||
| Biomass Gasifciation Efficiency | 8/12/2011 | W.A. (Bill) Stevens |
| Q: Here is my question. My company is working on a project to gasify biomass derived from municipal ... A: David - Sorry for the tardy response. I've been on a short vacation. And, sorry to say I'm no expert ... | ||
| baldor motor | 8/9/2011 | Charles C. Jones |
| Q: I Have a 5hp Baldor catalog number L1410T was wondering how to go about testing the caps and ... A: To test the capacitors, you will need a meter that can read micro-farads. Testing the windings ... | ||
| Super critical boiler | 7/20/2011 | W.A. (Bill) Stevens |
| Q: Sir i m working in ' cgpl tata power' its 4000MW power plant...and in it super critical boiler.... ... A: Raj - A supercritical steam power plant uses a boiler that makes steam at a pressure above the ... | ||
| Spa circulation pump | 7/9/2011 | Charles C. Jones |
| Q: I have a sundance metro spa 2007. And after changing the water and filter recently I received the ... A: I don't put much stock in resistance testing. Too many variables. Small motors as this are usually ... | ||
| Hook up of Leeson 220 reversing boat lift motor | 7/9/2011 | Charles C. Jones |
| Q: I'm installing a used 1.5 HP 220 Leeson motor on my boat lift Current configuration of motor is T1, ... A: A 220 volt circuit does not have a common. If you have a three conductor cable, two lines connect to ... | ||
| wire up a lift motor | 7/4/2011 | Charles C. Jones |
| Q: I need some help, i bought a two post lift from a friend (good price), but it was already taken down ... A: I'm a little confused as to why it has this type of switch. Is the lift hydraulic, or chain driven? ... | ||
| Natural Gas to Power calculation | 6/24/2011 | W.A. (Bill) Stevens |
| Q: Greetings from Africa :-) I am currently working on Natural Gas to Power Generation Project and need ... A: Guarang - a) Let's say the the electrical generator is a very efficient combined-cycle unit with a ... | ||
| Single Phase Motors - High Amps | 6/23/2011 | Charles C. Jones |
| Q: I have 2 identical replacement motors 115/230 wired on 115, 1 draws almost 20 amps with just the ... A: If the motors work ok on the other generator, then we can rule out the motors, and focus on the ... | ||
| reversing an electric motor | 6/8/2011 | PV Electric Bob Mossman |
| Q: I am trying to reverse a 1/3 hp electric motor and the only help I can find refers to 8 term. ... A: John, I'm assuming that the motor says it can be reversed. They usually have a diagram on the name ... | ||
| Power Production | 6/3/2011 | W.A. (Bill) Stevens |
| Q: If one m3 of LNG = 22.5 decatherms (mmbtu's) how many m3/day of LNG is needed to fuel a 1Mw ... A: Jay - Let's say the the generator is a very efficient combined-cycle unit with a heat rate of 7000 ... | ||
| rattles under AC, spins quietly w/o power | 6/2/2011 | Charles C. Jones |
| Q: I just bought a used wood lathe with a Leeson 3/4 HP running on 110V. It is very noisy when the ... A: Actually it probably is the bearings, or to be more correct, the bearing fits. The housing and/or ... | ||
| wiring for air compressor motor | 5/13/2011 | Charles C. Jones |
| Q: I HAVE A SANBORN 60 GALLON AIR COMPRESSOR THAT I HAVE CHANGED THE MOTOR ON BECAUSE I WANT TO CHANGE ... A: It should say on the nameplate at the bottom who made the motor. Here is a standard wiring diagram ... | ||
| wiring for air compressor motor | 5/12/2011 | Charles C. Jones |
| Q: I HAVE A SANBORN 60 GALLON AIR COMPRESSOR THAT I HAVE CHANGED THE MOTOR ON BECAUSE I WANT TO CHANGE ... A: First off I see you show no T5 or T1. For 115 volts, the connection is T1-3-8, line 1. T2-4-5 line ... | ||
| correct wiring | 5/3/2011 | Charles C. Jones |
| Q: Dayton 4K142B motor. Got it at the Re-Store (Habitat for Huminity)for half price, new. Want to use ... A: The ungrounded line refers to the wire coming from the breaker. As to your connection, Connect the ... | ||
| 110/220 motor wiring | 4/29/2011 | Charles C. Jones |
| Q: Good day I am upgrading a wood shaper from ¾ hp 110v single phase single voltage reversible cap ... A: Now I can see you have a terminal block. Now as too why it won't run on 230 volts, that is a ... | ||
| 110/220 motor wiring | 4/24/2011 | Charles C. Jones |
| Q: Good day I am upgrading a wood shaper from ¾ hp 110v single phase single voltage reversible cap ... A: I'm just a little confused on the wire marking and colors. Does this motor have just leads, or a ... | ||
| Natural gas, BTU and Elec Power | 4/23/2011 | W.A. (Bill) Stevens |
| Q: If a manufacturing process requires 10 kBTU of natural gas per dollar value of shipments, a plant ... A: James - Maybe this will help: 10,000 Btu/$ x $10,000,000/yr = 100,000,000,000 Btu/yr = 100 Billion ... | ||
| new dryer | 4/20/2011 | PV Electric Bob Mossman |
| Q: my old dryer had a range 50 amp outlet. My new dryer calls for a 30 amp cord. Can i use my 50 amp ... A: Terri, If you have a 50 amp receptacle on a 30 amp line with a 30 amp breaker, do the right thing ... | ||
| 3 Phase 3 Wire, Corner Grounded Delta | 4/15/2011 | PV Electric Bob Mossman |
| Q: What are the reference materials to transform and distribute 240V/3P3W (Grounded B Phase) safely? I ... A: Eric, A corner grounded Delta 240 volt system is what it is. You have to be mindful when working on ... | ||
| electrical motor testing | 4/13/2011 | Charles C. Jones |
| Q: please what are all the types of test that can be carried out on an electrical motor as part of ... A: The basic tools would be a meg ohm meter, for testing insulation values, a voltmeter/ohm meter, and ... | ||
| WIRING FOR METER CAN | 4/7/2011 | PV Electric Bob Mossman |
| Q: SERVICE IS COMING IN WITH 4/0 TRI-PLEX. WHAT WIRE SHOULD I PUT IN THE WEATHER HEAD SO THEY CAN TIE ... A: Ray, The first problem is the size of the wire in relation to the size service you want, 400 amp. ... | ||
| Hard hats while working on generators | 4/5/2011 | PV Electric Bob Mossman |
| Q: I work in Afghanistan and of all things, a safety rep is admonishing me for my workers not wearing ... A: Kenneth, I would tend to agree with you but I don't know who's rules your being governed by over ... | ||
| 3 phase power | 4/2/2011 | PV Electric Bob Mossman |
| Q: I am installing a 480v 3ph surface grinder and the existing wiring coming out of the machine does ... A: Todd, Looks like the transformer is the easiest way to go then. At least its more straight forward ... | ||
| portable baseboard heaters | 4/2/2011 | PV Electric Bob Mossman |
| Q: I have a friend that owns a HUD house. He is renting it. It was recently inspected by HUD and ... A: David, The heaters are not UL approved for hard wiring and permenant installation, in other words ... | ||
| 3 phase power | 4/1/2011 | PV Electric Bob Mossman |
| Q: I am installing a 480v 3ph surface grinder and the existing wiring coming out of the machine does ... A: Todd, Many 480 volt motors are easily reconnectable to operate at 208, 230 or 240 volts and you may ... | ||
| TRANSFORMER IN YARD OF HOME | 3/31/2011 | W.A. (Bill) Stevens |
| Q: I have a transformer in my back yard that has been there for over 30 years. In the house, the ... A: Jan - The transformer should not be affecting the amount of electricity you use. But I do have to ... | ||
Electric Power & Utilities
Answers by Expert:
Charles C. Jones
Top Expert on this page
Expertise
Let Me help you with your problems with single phase and three phase electric motors. I can tell you how to troubleshoot your motor problems. From simple testing of capacitors, how to test your windings, replacing bearings, and general maintance. Before we go any further, remember these words of advice: Disconnect the power before you do anything! Please limit your questions to electric motors and there immediate components. I review each question, and if I can answer or help, then I will. If you receive a rejection, it means it is out of my expertise, and just do not have the answer. I'll be waiting for your question, and see if I can help you. Thanks for using AllExperts!
Experience
I have 30 years experience in the repair of electric motors and related equipment. I am a master machinist in the field of motor repair. I have been employed with my company for 27 years. When you ask your question, give me all the information you can about your problem. I have a lots more to add, but for the everyday do-it yourself kinda person, it might get to technical. So ask away, if I can't give you a good answer, I'll find someone who can
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