Questions tagged [electric-motor]

The tag has no usage guidance.

Filter by
Sorted by
Tagged with
14
votes
8answers
106k views

Should I put a dimmer switch on a ceiling fan?

I have a ceiling fan on our bedroom's vaulted ceiling. Since we don't want 7' pull-cords, the speed is stuck at full-tilt, which is no good. The fan has separate switches on the wall for lights and ...
8
votes
13answers
35k views

Do any ultra quiet ceiling fans that have no motor hum exist?

I am in the market to buy two large ceiling fans to cycle air within and potentially cool my master bedroom. The room is about 16x27 feet, and it gets pretty hot during spring, summer, and early fall. ...
8
votes
11answers
58k views

How much less power does a three-phase air conditioning unit use than a one phase unit?

I'm planning to install a 5 ton central AC. I'm deciding between a condensing unit that runs on 220V and a costlier unit that runs on 207Y three-phase. My understanding is that three-phase motors use ...
8
votes
3answers
2k views

Why are furnace/central AC blowers so inefficient?

I can buy a ceiling fan from Home Depot capable of moving 5,000 CFM of air for about $50, and it uses a mere 50-60 watts while doing it. By contrast, most furnaces seem to have blowers that operate in ...
8
votes
1answer
9k views

How do I wire this motor with 240V?

I have 240 plug with a switch dedicated for Air compressor. I have compressor that supposedly can be wired for 240V 2 pictures show sticker and current wiring. How do I update wiring to make it 240V? ...
7
votes
4answers
2k views

Why were only some of my tools damaged when connected to a 240V receptacle?

I live in the US and recently bought a home. There are several electrical outlets in my garage. I have recently had two tools that have burned up and gone to an early grave. It turns out that the ...
7
votes
3answers
9k views

What should I do if my vacuum trips my AFCI device?

I have a vacuum that trips the AFCI device of the circuit that services my bedroom. The vacuum has some age on it, and there is some wear on the motor's commutator. This wear causes electrical ...
6
votes
3answers
7k views

How do I run a 3 Phase/1hp TEFC motor off of a regular household outlet?

I recently bought a brand new TECO-Westinghouse Electric motor . 3 phase HP: 1 Volts : 208-230/460 RPM: 1750 HZ: 60 Fr: 56 Cat no: ZA.0014TE2/56 Type : AEFAZA Enclosure : TEFC I would like to run ...
6
votes
3answers
3k views

What do I need to use one winch motor independently on several different cables (for overhead storage)?

I'm almost-nearly-started on installing a bunch of motorized ceiling-storage platforms in my garage. I was researching which winch/hoist to buy when I realized that I'd rather not buy one electric ...
4
votes
3answers
5k views

What is the life expectancy of a washing machine motor?

My washing machine is 6 years old. I found what I think is a good deal on a motor (about $50). I was just wondering if it would be a good investment to have a spare motor around.
4
votes
7answers
92k views

Why has my ceiling fan's speed become slower?

We have owned a Minka Aire ceiling fan for about 4 years and it has been great overall; running for 24hrs a day. It has 3 settings and when we initially purchased the fan; the speed was noticeable ...
4
votes
2answers
17k views

What is wrong with my central heating?

I have a central heating system that was installed in this house in 2006. Tonight, while I was taking a nap my wife said that she suddenly heard a loud whine/whistle sound that slowly lowered in ...
4
votes
3answers
11k views

How long should I run my pool pump for?

How frequently/long for should I run my pool pump? it's a standard single speed 1.5 hp electric motor pump. I've heard different answers from various people and I am left wondering what is correct. ...
4
votes
3answers
22k views

Why is my furnace blower noisy when it starts?

The blower of my furnace makes a loud noise every time it starts. I understand that a large fan and the movement of large amounts of air will produce some noise. What I am puzzled by is the noise that ...
4
votes
2answers
1k views

Can't find the release for this wiring harness connector

I am unable to unlock any "tabs". The video text just says use a slot screwdriver to release the locking tabs. Any help is appreciated.
4
votes
1answer
7k views

Could I safely use a dimmer switch on an air filter fan?

I bought a small HEPA air filter fan that was advertised as being a quiet model. But it's not quiet enough for me. I bought another "quiet" fan, but the new one is also too loud for my liking. Could ...
4
votes
2answers
497 views

Plugging compressor into 240v dryer plug (NEMA 10-30R)

I've recently received a compressor that has a NEMA 6-50P plug on it. I would like to plug it into my current dryer receptacle which is a NEMA 10-30R. Voltage and amperage-wise, I think everything ...
4
votes
3answers
24k views

Why is my A/C condenser fan motor wiring backwards, and how can I fix it?

I've just replaced my condenser fan motor on my home A/C unit with this unit: http://www.grainger.com/Grainger/GENERAL-ELECTRIC-Condenser-Fan-Motor-2PRA6 The HP, RPM's and amp ratings all match. The ...
4
votes
2answers
100 views

GE gas dryer noise - is this from motor?

Hi I'm trying to fix my 13 year old dryer. It's started to have squeaking noise but I was able to fix that by replacing the front and rear bearing. Now it's starting to have this noise and I think ...
4
votes
1answer
14k views

How to stop a screaming pellet stove?

I'm having trouble thinking of how else to describe the sound that our pellet stove is making. It is a piercingly high pitched sound that appears to come from the blower. Here's a video with ...
4
votes
4answers
38k views

How can I repair a ceiling fan that hums, but doesn't turn?

The ceiling fan/light has power. The lights work, but the fan doesn't turn even though it hums. Why is this, and how can I fix it?
3
votes
6answers
4k views

Should I replace or repair my dead/dying garage door?

My garage door opener is on its last legs, should I replace it or try to fix it? Symptoms: The door does not initially move when the button is pushed, but after giving the door a boost it opens. ...
3
votes
1answer
1k views

Can I plug a 15A snow thrower into a 15A receptacle?

I'm planning to buy a snow thrower with a 15A motor in it. I have an outside receptacle that's rated for 15A and so is the breaker in the electrical panel. I'm wondering if this will work without ...
3
votes
5answers
150k views

How do I re-wire a ceiling-fan to reverse its direction?

One of the ceiling fans at home was spinning in the opposite direction (clock-wise) and so was sucking up the air rather than blowing it. I live in a hot climate so we always have the fans spinning in ...
3
votes
1answer
388 views

Invert electric motor rotation

I got this Bergin AC motor which was from a pool pump, but now I want to use it to power a saw. For this I need to invert its rotation direction. How can I do that by just switching wires? The four ...
3
votes
2answers
7k views

How to lubricate a buzzing fan?

I bought a little mini fridge (ok, it's actually one of those wine cooler thingies) that buzzes loudly. Took it apart and discovered the source of the problem: a little fan in there, similar to the ...
3
votes
1answer
439 views

What is the purpose of these spare rings for an HVAC blower motor?

I recently replaced the blower motor and wheel for our HVAC unit. The motor came with four of these spare rings: There is already an identical ring attached around what I would call the front shaft (...
3
votes
1answer
2k views

AC Motor Oil Wick Replacement

Not sure if this is the correct forum to asking such a question, but I am tearing down an old AC motor that has seen better days. Essentially through to clean each component and replaced any frayed ...
3
votes
2answers
2k views

How do I wire this 240v fan motor and thermostat

I'm trying to wire a two stage exhaust fan for my greenhouse. The motor comes set up for 240v wiring and is to be controlled by a thermostat. I undertsand how to get the 240v from the panel, but can't ...
3
votes
1answer
6k views

How does a multi-tap motor speed control work?

I have a Home Depot, undocumented, no-name ceiling fan and I've messed up the speed control connections, and I'm trying to understand how the circuit works. I found a circuit on the internet which ...
3
votes
1answer
282 views

Can a portable bedroom fan be slowed down?

I have a Vornado Heavy Duty Shop Fan in a bedroom for the purpose of making white noise at night to help sleep. The speed switch only has a medium speed and high speed. I wish there was an option ...
2
votes
3answers
4k views

Can I use brake fluid or steering fluid to stop a fan from squeaking?

Can I use braking fluid or steering fluid on my squeaking table fan? Are they safe? I'm just wondering if I can use anything that's already lying around the house.
2
votes
1answer
3k views

Why did my angle grinder die?

I was recently using a Bosch angle grinder but it had been 'sputtering' intermittently; and then during one session, taking the burrs off an edge, it slowed down and just stopped. Now it won't turn on....
2
votes
2answers
5k views

How can I calculate the rotational force and motor HP needed to lift a 5lb sheet from a horizontal position to a vertical position from one end?

Essentially, I need to know the following: How do I calculate the rotation force along a fulcrum? Is there an equation? What is the weight of a 5 lb object at the fulcrum if the fulcrum is located at ...
2
votes
2answers
493 views

How much current should I expect this motor to draw when it's running steadily?

This fan lists its "Max. Amperage" as 3.2. I assume the motor draws that much when it's first turning on, then settles down to some lower current. How much current should I expect it to draw when it'...
2
votes
2answers
149 views

5hp 230v single phase motor popping 30amp breaker

I have a 5hp 230 single phase Leeson motor on my bandsaw. I ran a 30' circuit from a 30amp breaker in the panel to a NEMA 14-30 plug using 10AWG wire. From there, I have a 10-foot 10AWG cord to the ...
2
votes
1answer
1k views

Is sparking in the motor of my drill a concern? [closed]

There is a slight sparkling in my drill. What could be the reason? I received a product and checked for first time by plugging it into the socket. I wonder whether it is common or a serious problem.
2
votes
2answers
74 views

Is it reasonable to convert a general purpose motor and pump for a sump pump?

TLDR: I have a 120V 1/4 HP general purpose motor with pump head attached (with female threaded connections for input and output). Could I keep this pump/motor above ground and run PVC from the pump ...
2
votes
1answer
2k views

Do I need to replace motor stator if windings are broken?

Broken coil windings Sorry, first time poster, long time reader. I think pic was uploaded. Do broken coppper windings on a stator motor necessarily mean it is a bad stator? This is from a motor ...
2
votes
1answer
102 views

How can one make a connection where flexibility is necessary despite the connection being exposed to physical damage?

It seems that it is common practice in HVAC-land to use a LFNC whip to connect air conditioner condensing units to the house wiring. However, as statueuphemism rightly points out, it is eminently ...
2
votes
1answer
51 views

electric gate motor

I have a question about an electric gate motor I am installing. I purchased a motor rated for up to 650kg(for a level area), but it will operate on a slope which drops by 400mm over the 5 metre ...
2
votes
1answer
1k views

How do I connect this saw's motor to 220 volts?

I finally found a motor for an old DeWalt radial arm saw but I don't understand the diagrams on the motor plate. I want to run it at 220 volts but without terminals I'm not sure about which wires go ...
2
votes
2answers
85 views

Unthreaded holes for AC fan motor mounting screws?

My AC is not working. It is a Trane AC (Model 2TTB0030A1000AA). In the process of diagnosis I tried replacing the capacitor, and that did not help. I tested the fan blades and they no longer spin ...
2
votes
1answer
701 views

What size Generator and what voltage and amps to power a large 3 phase well pump?

I recent obtained my dads old place and since it sat for so long the generator was stolen and so was our water tank, and now I am in the process of replacing the large generator and I wanted to see ...
2
votes
1answer
2k views

Wiring multispeed PSC motor from ceiling fan

I disassembled a ceiling fan to replace seized bearings. Unfortunately the pics I took to aid re-assembly are no longer accessible and the fan is an '80s era no-brand which I can't find any info for ...
2
votes
2answers
2k views

Furnace Draft Inducer Repair: is previously installed back plate necessary?

I'm replacing a non-functioning draft inducer on the Goodman furnace in my house (GMP075-3). The previous inducer was mounted with a sheet metal back plate between it and the wall of the furnace. ...
2
votes
1answer
7k views

What type of motor do I need for my attic fan?

My attic fan motor appears to be on the fritz (makes a buzzing sound and the fan tries to turn but won't make it more than 1-2 revolutions without sticking). I'm trying to figure out what type of ...
2
votes
1answer
1k views

Why would my microwave continually rotate when connected to a voltage stabilizer which is also used for a refrigerator?

When I connected my microwave oven to a voltage stabilizer which is being used for refrigerator,the microwave oven motor starts working without any functions provided.The motor keeps on rotating at ...
1
vote
3answers
9k views

Will a fan motor run in reverse if the receptacles polarity is reversed?

Recently installed a range hood and it's not sucking up smoke very well. It's been uninstalled and checked for obstructions and none have been found. The dampers are opening and closing properly. One ...
1
vote
4answers
699 views

Why is my Panasonic Whisper series bath fan starting up so slowly?

I recently had a Panasonic Whisper Series bath fan installed in my bathroom by a plumbing/HVAC company and wired up by a separate electrician. The fan starts up extremely slowly: it sounds like ...