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Hi I have a farm duty 1/2 hp dual voltage, single phase, capaciter electric motor. I simply want to attach a plug for 110. My problem is there are 9 wires colored and Labeled as follows Y/Black- P1 Br- P2 Blue - T1 White -T2 Or.- T3 Y- T4 Black - T5 Gray -T6 Red T8 I do not know how to wire this any help would be appreciated

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There is normally a name plate on the inside of the cover that shows high and low voltage connections without that the connections could be a couple different ways. Have a look Im sure its there

Posted on Jan 21, 2009

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Why does condenser have a dual capacitor and a single capacitor in the same unit?


Hard to say exactly, but most heavy duty electric motors have a start capacitor as well as a run capacitor. There may also be an overload protector you are confusing with a condensor.
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Dewalt radial arm saw GW1- Is it single phase or 3 phase


if the plug on the cord fits any other outlet in the house it will be single phase
if the cord is cut , then it will have only 3 wires if it is single phase
( active , neutral and ground )
if it has 4 or more wires it will be 3 phase
most saws running a 200 mm blade or around that size and used for home duty will be single phase
the phase notation will be on the plate attached to the motor of the saw
It will read voltage , amperage, watts or hp, phase and cycles

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Single phase or 3 phase


Hmmm. Good question. Like anything, it varies depending on how the equipment is going to be used and in what environment. We could really get into the weeds, but let's just ask the couple of key questions.

1. Is this a commercial or residential environment?
2. What's the horsepower of the motor(s) in use?
3. What's the availability of 3 phase power?

1. If your saw is in daily, commercial use, then 3 phase may offer some distinct advantages: While it's expensive to convert (assuming you don't already have 3 phase available) it allows for smaller, less expensive wiring, and lower voltages making it safer and less expensive to run.

Single phase, otoh, is much more available, and runs motors up to 5hp with little difficulty. It does actually cost more to run a lot of single phase equipment so if cost is an issue and you have quite a few motors, this may be a large determining factor.

2. As I mentioned, if you're only running one or a couple smaller motors, up to 5hp, single phase should work just fine. I have several pieces of machinery with 5 hp motors them on single phase 220 and they perform great. I don't recommend 110vAC for motors under significant load. They run too hot and are not all that efficient, as well as under-powered.

3. Installing a 3 phase electrical system can be very expensive. I would look into this carefully, get a few estimates before moving ahead. You'll need to find out if it's even available, cost of transformers for 110 in the building as well as whether they'll charge you commercial rates for your electricity once it's installed.

There is no simple answer for this question, I fear. There are simply too many factors to consider.

This is the short answer. A simple web inquiry will give you more answers than you actually need.

Good luck.

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Is the 4A912B Dayton 10" 1 HP bench grinder 3 phase or 1 phase?


If the plug on the cord has 2 flat prongs and one round one then its 110 VAC single phase. If the motor has 4 wires then I'd suspect 3 phase. The data plate on the motor will tell you for sure.

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Hi,I got a Ingersoll Rand type 30 model 234 compressor.It looks good but it has no motor.I'm thinking like 120v,3horses?,but not sure about rpm.any help would be nice.thanks


According to the information you provided your looking at a 10 HP motor at three phase. Do you have three phase at your location? If not I would look into getting a single phase compressor. If you do want to get it going I would notify your local IR dealer so they can get you the right Model number, RPM, Pulley and Motor Frame Size to match your unit.

Please read below....Jim...if this helped you please send me a positive response...Thanks!


Ingersoll-Rand Type-30 Electric-Driven Two Stage Horizontal Air Compressor - 120 Gallon - Fully Packaged IR 2545E10VFP
  • Designed for heavy shop or industrial use, Ingersoll-Rand Two-Stage electric air compressors provide the quality and performance that are ideal for most applications and users, including: automotive service and body shops; fleet maintenance; machine shops; production and manufacturing lines; construction; wood working shops; dry cleaners; car washes; maintenance/repair shops and farms.
  • Durable cast-iron, two-stage design offers extended pump life for years of trouble-free service 175 PSI maximum operating pressure
  • 100% continuous duty for tough applications
  • Automatic start/stop control/pressure switch operation
  • Includes motor starter, oil sight glass (10-15 HP only), manual drain and ASME tank
  • 10HP, 3 Phase 200, 230 or 460 Volts
  • 120 gal, horizontal tank
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I need a wiring diagram for the Hobart H600 which has a multi tap motor on and i would like to change the voltage on the motor to 200volt single phase 120/208 or even 120208 3phase. The wiring diagram is...


You cannot wire a three phase motor for single phase and you cannot wire a single phase motor for three phase. If you have a three phase dual voltage motor your options are 220 or 440 volts. If you have a single phase dual voltage motor your options are 120 or 240 volts. A 208 volt Hobart motor will only function correctly on 208 volts and is not dual voltage.

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How do I wire a three phase electric motor to 110 plug


You can't run a 3-phase motor on 110V unless you use a 3-phase inverter. Depending on the size of your motor, these will probably run you around $150 for the least expensive type. Take a look at--- http://americanrotary.com/static-phase-converters.html

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Is posible run a single phase electric motor from a source three phase 120/208 wye connection the motor is rated 230 volts AC


It is indeed possible to use ONE Phase to run a motor, You simply use One Phase and Neutral. BUT ONLY if the 3 phase is Double, more or less, the required usage Voltage, EG: 440 3 phase, will be OK, for 220 single phase, . But 220 3 Phase,will not run a 240. single Phase. So in your case is suspect not, it really will do no harm to try though. it just wouldn't work, if not enough "juice", be careful.
http://en.wikipedia.org/wiki/Three-phase_electric_power

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Make a connection of a 6-leads, 3-phase motor in delta and wye connection


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