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10
votes
5answers
28k 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
2answers
746 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
2k 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
2answers
698 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 ...
6
votes
11answers
20k 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. ...
6
votes
2answers
2k 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
1k 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
2k 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
3answers
6k 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
5answers
25k 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
3answers
1k 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 ...
4
votes
3answers
12k 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
1answer
2k 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
2k 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
4answers
25k views

How much less power does a three-phase A\C unit use as apposed to a 220v 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 ...
3
votes
2answers
10k 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 ...
3
votes
3answers
10k 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 ...
3
votes
1answer
884 views

What would cause a ceiling fan to stop while the light still works?

Installed a new fan/light today. Wiring appeared to be identical to old fan we removed. green ground to green ground on mounting bracket. white to white. black and blue to black. Turned it ...
3
votes
2answers
617 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
98 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 ...
3
votes
1answer
111 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
1answer
3k 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
159 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
74 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
1k 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
131 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 ...
2
votes
2answers
1k 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 ...
2
votes
2answers
424 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 ...
2
votes
1answer
236 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 ...
2
votes
1answer
1k 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 ...
2
votes
2answers
675 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
2k 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
0answers
27 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 ...
2
votes
0answers
322 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
1k views

Can I operate a 120v 60 hz sewing machine with a 220v 50hz power supply?

I was going to buy a sewing machine from someone. It's rated 120v - 60 Hz (as written in the label), but the power system here is 220v - 50 Hz. Can I operate this machine with that power if I use step ...
1
vote
1answer
154 views

What size electrical breaker and wire do I need for a 230 volt, 40amp. cutterhead motor?

I need to know what size wire and breaker I need to wire in a 230 volt 40 amp. cutterhead motor
1
vote
4answers
24k 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 ...
1
vote
1answer
7k views

How do I DIY a spinning CD/DVD storage rack?

I have an embarrassing number of dvd's and cd's; I think it's up to about 600 - 800 now... I have long ago started putting the majority in cd binders, but I have a really nice room dedicated as a ...
1
vote
1answer
205 views

Ceiling fan motor disassembly

Took apart a ceiling fan. Want to take apart the motor, but this thing looks like it was assembled tight, like a freaking bearing. I want to get to the goodies inside. I've taken out every screw there ...
1
vote
1answer
416 views

New condenser fan motor burned out

AC technician replaced my condenser fan (through a home warranty service). The new fan worked for 5 min and stopped working after that. the fan motor was extremely hot (180F or more) The old fan motor ...
1
vote
1answer
488 views

What could cause a condensing units fan to stop working?

My AC unit fan stopped working suddenly. I tested the 3 pole condenser (capacitor) and the it looks OK ( 45 uf , 5 uf is what is mentioned in the spec of capacitor). I tested the resistance in the the ...
1
vote
1answer
786 views

Why won't my washer machine motor, gearbox, or inside basket free spin

I have a Whirlpool model# LSR8233EQ0 washing machine. Not sure which one of the components in the question title are causing the issue. I've found that it could be any of them. The machine recently ...
1
vote
1answer
29 views

Spa pump wont run when in spa

Spa pump motor won't run when its in the spa. I removed the pump and ran power to it and it runs fine. Also, with the pump removed, turned on spa jets and no problems. So, re-installed the pump and ...
1
vote
0answers
1k views

What's causing my draft inducer to stay on?

I have a new, 3-year old, high-efficiency, gas furnace in my home. I recently realized that my draft inducer, which normally kicks on before the burners and before the main blower, is not stopping. ...
0
votes
1answer
260 views

Pool pump wiring - 115v motor okay with L5-20 125V 20A Receptacle?

I have a pool pump that I recently bought used to replace a failing pump. The motor is rated for either 115v or 230v (low/hi switch) operation. My previous pump was wired with a 12 gauge line to a ...
0
votes
4answers
2k views

How can I use an American KitchenAid mixer in Denmark?

My husband bought me an Artisan kitchenAid mixer (max watt 325) from America, we live in Denmark so he also bought an autotranformer (input 220/240v, input 110/120v and max load 500VA with a 5amp ...
0
votes
1answer
302 views

On the number and shape of my swamp cooler motor cord terminals

As I understand it, most three prong electrical chords are have a hot wire, ground, and neutral terminals (for extra precautions). My swamp cooler motor cord has four prongs as shown here: What is ...
0
votes
1answer
448 views

Why is my bathroom fan buzzing and humming when I first turn it on?

It is strange, the bathroom fan is buzzing and humming when I first turn it on. After a few minutes, it starts up normally. Why is it doing this?
0
votes
1answer
1k views

How can I connect a 120V compressor to a 3 phase WYE 208 electrical system?

I have 4 cables from a power supply which are 3 phase WYE 208 volt. so if I measure between neutral and hot I get 120V. The problem is that I need to hook up a compressor for 110V single phase (just ...
0
votes
1answer
6k views

What could cause a ceiling fan to lose rotation speed?

I have two identical ceiling fans in my house that were installed around 4 years ago. One no longer rotates as fast as it used to at top speed. At a guess I would say it has lost 30 or 40% of its ...