Electric Power & Utilities/wiring info needed


QUESTION: I have a Smith+jones 1.5 horse 115/230 volt electric motor 3450 rpm.I need to find out about the wires,it has a button on the side of the motor and there is three wires connected to it one is P1 it is a bare wire that is connected to the button T1 which comes out of the motor and connects to the button  P2 it is a bare wire coming from the button then T2,3,4,5 and 8 that comes out of the motor.which wires connect to what to make the motor run.and is the wires on the button correct.I'm using the motor on a air compressor.

ANSWER: First, what do you mean by "bare" wire? Non insulated? Next, what voltage are you wanting to connect it for?

---------- FOLLOW-UP ----------

QUESTION: yes non insulated just the ends of each wire and 110 volt is what I'm trying to hook up.I got the compressor gave to me and the guy I got it from couldn't get it to work don't know what all he tried as wiring it up all I know is that theirs 6 wires that are coming out of the motor and non of them are connected to anything nor connected to each other . here is what is on the sticker on the side of the motor,          cat#67841,model#D56 1.5S2C-Y,RPM3515/ENCL ODP,frame56/NEMA L,DE/ODE BRG 6203/6203,volts115/230,amps12.7/6.4,sf amps18.2/9.2,HP1.5,PH1,HZ60,SF1.5,INS/F,codeJ,duty cont,amb40 c. just needing help connecting it up proper .

Connect P2,T3,T8 to your black 110 volt line. Connect T2,T4,T5 to the 110 volt white wire. Check your rotation. There should be a arrow on the compressor pulley showing the direction. If the direction is wrong, swap the T5 and the T8 leads to reverse the motor.

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Charles C. Jones


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 maintenance. 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.


I have 40 years experience in the repair of electric motors and related equipment. I am a master machinist in the field of motor repair. I was employed with my company for 35 years, but retired in May of 2013. The downside to that is I lost access to a lot of technical data. I will still try to give you the most accurate advice that I can.

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