Wiring A Motor Control Circuit

I am wiring a three phase motor through a two pole vacuum switch. two lines go through the switch but one line is always hot to the motor. is this proper or is this a safety issue?
      


Similar Tutorials

How to Lay Sod - The Right Way!
   - Make sure the green side faces up! And, there are a few more steps if you want to ensure a nice looking lawn. Prepa ...
The Difference Between Volts, Amps, and Watts
   - This article explains the difference between Volts, Amps, and Watts in an easy-to-understand non-scientific way. T ...
Water is Leaking from the Toilet – What do I do? (How to replace the wax seal for a toilet.)
   - If there is water leaking from the toilet, you need to make sure that you know from where the water is leaking. Che ...


Similar Topics From Forums

Hi, I have a 6" craftsmans metal cutting lathe and trying to wire a drum switch to it. The motor is a 1/3 hp westinghouse split phase motor 6.3 amp 1725 rpm. The switch is forward-off-reverse. There are two posts and two wires on the motor I'm not sure witch ones are start or run and how to go about wiring it there are 6 screws on the switch.I could probly post pics to someone  Thanks
      
I have a LEM .35hp meat grinder that did not come with reverse. It is a PITA to use and not have reverse. It is a 120v 250w motor, w 2 caps. There is no schematic on the cover, so I have no idea what which wire goes to where. I plan on using a DPDT switch to reverse it. on-off-(on or mom) switch. I have attached pictures of the motor wiring.  White/black come in then go into motor. White comes out of motor then to larger cap, other wire from large cap goes to red (into motor). Red comes out of motor into smaller cap, second wire to small cab is blue going into motor.



http://i1086.photobucket.com/albums/...n/IMAG0021.jpg

http://i1086.photobucket.com/albums/...n/IMAG0020.jpg

http://i1086.photobucket.com/albums/...n/IMAG0022.jpg

Any help would be appreciated.
      
I have wired many motors in my life but this is kicking my butt. The parkinsons doesn't help either. The motor is a 1/6 hp G.E. 120vac single phase 4 lead blk, red, and directional blue,yel. the switch is a Carling heavy duty DPDT. I have soldered red, blk to the bottom 2 terminals-grn , wht to the middle terminals. I can get it to reverse but at the off middle position (on-off-on) it continues to run with a jerky movement.

Please give me your thoughts on this one as I really need to get it going as I have already mounted it to a reduction gear box for this project.My cognitive thinking is going rather fast.

thanks, hatch
      
I bought a replacement motor (Dayton 6k778k) for my attic fan.  I removed the old one and it has two wires coming out that connect to two wires that go down to the light switch that turns it on.  They were connected by those plastic twist things.  So, I open up my new motor assuming that there would be two wires coming out of it that I would just connect to the existing wires, however there are just a bunch of blade connectors and I have no idea what is supposed to connect to what and how.  I'm attaching three pictures. One is the old motor/wires, the second is the inside of the new motor, and the third is really the only thing that alludes to how this should he hitched up. 3 & 2 were pre-connected out of the box...which leaves 4 & 1.  Is one of the wires from the light switch supposed to connect to 4 and one to 1?  If so, which one goes to which? Do I need to put blade connectors on the end of the wires that go down to the light switch in order to connect them?  Any help is much appreciated.
      
I have a 5 hp, guess it's a 80 gallon, 220 volt Ingersoll Rand compressor and had problems with the motor not wanting to start. I found a replacement box that included the Siemens starter and a new reset. The only thing this new box doesn't have is the two 5 amp fuses and didn't figure I needed to use them so I didn't add them to the new box.(?) After wiring the unit I have found the only way the compressor will kick on is if I hold down the Siemens starter re-set.



I know I have the motor wired properly and the wires from the pressure switch expect the white one. It originally went to one of the two fuses and than to where I currently is.(?)



The black motor wire was connected to the bottom of the reset (lower left), which is out of view in the pic

The white motor wire was connected to the bottom right of the Siemens starter

The motor ground was connected to the ground terminal on the box.



The pressure switch black wire was connected to the top right of the starter.

The pressure switch with wire was connected to the top left of the starter.

The ground was connected to the ground terminal on the box.



The incoming black hot wire was connected to the top left of of the starter.

The incoming white hot wire was connected to the top right of the starter.

The ground was connected to the ground terminal on the box.



Any idea what's wrong and have I included enough information?



Thanks, Shawn
      
motor #1 came back from servicing and was told it was shot (he said it  was grounded).  i have another motor #2 that im going to see if hell  mount (if it runs).  however motor #2 is designed for 230v.  what needs  to be done to wire this back up considering it is a 120v service.  (i  believe motor #2 was hooked up once before on this service so i know the  power is there)
      
I have a 120vdc treadmill motor that has a motor controller board and a transformer to operate it. My question is is there any way to rigg it up to a 12v deep cycle battery. I was thinking all i would need is some sort of step up transformer 9-1 if they make it or 10-1. I would aslo like to have speed control which i assume would work through lowering the voltage. It runs fine off the 12v batter just not near the rpms i need. I know it will drain the deep cycle very fast but im not worried about that.
      
hey i jus need a simple answer.  single phase pump motor needs to be connect to power.  there is one green, one black and one red/white? (i believe this wire used to be red but faded).  i kno green is ground, i just need to know which wire gets hooked up to L1 and L2.  the motor is set on 115V.  and dont worry power is cut off completely.
      
i have 3 switch sets in my house that are giving me absolute fits.



#1  kitchen switch, controls the light over the outside door




    Code:

   
3 sets of lines coming in,

line from the breaker panel (power)

line to the ceiling lights

line to the outside porch light.


i cannot get this 3 line to work without tripping the breaker every time i turn the switch off



#2 bathroom switches




    Code:

   
power feed line

line to the light over the medicine cabinet

line to the second switch to control the exhaust fan.


same issue as the first set, flip the switch and trip the breaker (different breaker from the kitchen switch)



#3 living room switch and plug controlled via switch




    Code:

   
 power feed line

outside porch light line

line to wall switch to control the lower wall outlet


flip switch, trip breaker



the switches i have are "1 pole" am i using the wrong switches for this job?
      
I have converter a 3 phase 220 volt  air compressor to single phase. I need a  timed relay to start the

the system when the air pressure drops. Since it is momentary, it needs to be a timed relay with a short (1-2 Seconds) to prevent burning out the capacitors.



Can someone help me with the timed relay I need or how I can have the motor start when the pressure drops and kicks out when it reaches the top limit