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Is it dangerous to plug two power plugs with transformers into the same wall socket?
I've got two external hard drives. Both of them have a power cord with a large transformer on the end. Would it be dangerous to the drives if I plug both cords into the same 2-socket wall outlet?
Sewaba,
It's not dangerous. How the cable splits has nothing to do with the power drawn from the outlet. Like the one answer said - don't modify anything. Other than that - you are fine.Think of it this way - a hairdryer runs about 1500 watts. That's the power rating. I just checked my external drive. It's 25 watts. That means I could run SIXTY hard drives off of this electrical outlet if I wanted to.
The outlet will have either a fuse or a circuit breaker that will blow if you use too much power. This won't happen in this case - but if you did, that's the result. Houses are designed to make it literally impossible for you to do something dangerous as long as all you are doing is plugging stuff in and using stuff the way it's supposed to be used. It's a bad idea to plug in a bunch of branches and run a circuit at the limit, and they recommend against that - but you are not going to run into trouble with hard drives - ever.
That being said - it's important for those transformers on the end to get enough air to cool them or they can build up heat. It's not because you have 2 plugged in - it's the nature of how they work. A normal one plugged in will still get warm, but it won't get super hot as long as it's got open air around it. The danger is when people have them on power strips on the ground, then they pile stuff on top of them, the heat can't dissipate, and it builds up. Because the heat is being formed independently from the electrical circuit, it's free to start a fire because the circuit breaker will not 'sense' a problem.
-Kevin
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Articles and News about Power Socket
Power Supplies and Power Inverters are something you will be involved with if you do a lot of road travel or even one good summer vacation. Power, of course is the key to everything on the road. There are many 12 Volt appliances and accessories available both online and off.
Power Supplies are units that plug into a 110 ac outlet and deliver 12 Volt dc to a set of positive and negative plugs or a cigarette lighter socket, usually located on the front of the unit. Some deliver only a few amps and the bigger units deliver 35 and more. Amps are only important in as far as having enough. Your unit will only draw what it needs, even if the power supply is rated very high and the device only requires low amps.
Don't even think about that working the other way around. Too small an amp rating attempting to power a higher rated unit will overheat the power supply and damage it. Most quality power supplies have overload protection and fuses to prevent damage and even fire related to such a situation. Best thing to do is be aware of the required draw of devices you intend to power and the capacity of the power supply unit you have in service. Best match is where the power supply has about 10% larger amp rating than the sum of all the devices it is required to power.
Power Inverters are the other side of the coin, they attach to a battery, 12 Volt for our purposes, and deliver power as 110 ac. Worth mentioning that most units include the convenience of a 12 Volt cigarette lighter type socket or two.
The larger the battery the better the result. Often in larger vehicles or dedicated applications you will find multiple batteries connected in parallel or series parallel configuration. This can provide good power for longer periods of time.
Since power inverter applications often rely on battery power that is not being replenished as it is being used, you will discharge the battery. Two pieces of information should be brought to bear before you even get started down the inverter road.
The first; there is a device commonly referred to as a “battery guard”. The function of the battery guard is to keep track of how discharged the battery power is becoming and shut down the power inverter service while there is still enough battery power to start the engine.
The second, and this one is a little confusing, most batteries in common use in motor vehicles are not meant to be discharged and recharged. They are meant to see heavy use, such as starting the engine under most any condition, then be immediately recharged by the vehicle's charging system. This type of battery is referred to as SLI (starting, lighting, ignition). Fully discharging and recharging this type will damage the battery and you will find yourself shopping for batteries very soon.
The kind of battery that works well with power inverters, and other applications that require continuous power, that brings the battery into a near fully discharged state is called, “deep cycle” or “motive”. The internal differences in construction and materials are beyond the scope of this article. The difference in functionality is undeniable and important. Plan your power inverter applications carefully so you get longevity and service from your power investments.
I would like to add one last solution to this power profile. The more feature rich “emergency jump start units” have built in inverters and convenient 12 Volt power receptacles. With the desirable motive type battery, they provide extended life for laptop computers and recharging cell phones. Emergency jump start units are rechargeable from AC power where is it available and 12v battery power while you are going down the road. They invariably feature an air compressor for low tires and, of course, if you or a fellow traveler need a jump start, you can always use them for their intended purpose.
Happy traveling. It must be time for a cup of coffee and “more power to ya'”.
12 Volt DC Power Supplies | 12 Volt Power Inverters | Emergency Jump Start
About the Author:
Tom Deighton is a writer, webmaster and musician. Writing is a new activity for me, something that is developing out of my work as a webmaster. Creating articles and content is becoming an enjoyable part of my work. The more of it I do the better I like it.
Article Source: ArticlesBase.com - Power Supplies and Inverters in 12 Volt Applications
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Find Power Outlet information and products
Can the power outlet in 2002 Malibu be programmed to stay on all the time?
My Buick can be set up this way by changing the position of 2 fuses. I don't see any option like this on the Malibu. Is it possible to set it up so power is supplied to the outlet all the time?
I'm a Chevy mechanic and I believe you have to outlets. One is more of a cigarette lighter setup (which may only work with the key on) and the other one should have power going to it all the time. Look inside the sockets--the one with the brass circle in the center of the bottom is the accessory socket. A cigarette lighter socket has 2 rectangle-shaped arms at the bottom. If you have your owner's manual it should explain it there. Some cars have an accessory socket at the rear of the center console for passengers in the rear seat to use. Hope this helps.
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Article Referencing Power Outlet
First, I'll start by saying that photos you see of laptop computers plugged into solar panels is misleading, but is typical of photos you will see around the internet on sites promoting solar power. The truth is... you cannot usually charge a laptop directly from a solar panel.
Why?
1. The output voltage of the panel probably won't match your computer
2. The panel likely doesn't come with a connector for your computer
3. Laptop batteries are not easily charged from a passive source like solar
4. You certainly cannot 'run' a 30 Watt device from a 10 Watt power sourceSo, how can a solar powered laptop be created?
Actually, it isn't too difficult, but it does require a little planning.
So here it is. Step-by-step.1. Choose a solar panel to match your power consumption
We'll assume that your laptop is like most others, and consumes about 30 Watts while it is running. Some laptops with big dual processors etc can consume up to 100 Watts if they are burning DVDs or other intensive operations. But for our purposes, and assuming that you are a practical person who knows how to dial back their power settings, we will go with the standard number of 30 Watts continuous.
Now, you need to determine your usage time.
How many hours a day do you absolutely have to have on the computer? The bare minimum now, with no coffee breaks. If you use the computer for 1 hour each day, then you will need to offset 30 Watt-Hours with your solar panel, which will equate to a minimum 10 Watt solar panel for most areas (May-Sept).
2. Store the solar power
Sunlight & hence solar power is unpredictable. So most good, reliable, solar power systems provide a means of storing the power produced by the panel so that it can be used when & how it is needed. You can run a 1-Watt GPS direct from a solar panel on a cloudy day, because even on a cloudy day, a 5-Watt solar panel should be able to provide 20% of its peak output (ie 20% of 5Watts = 1Watt).
But what do you do when the device you need to run is larger than the peak output of your solar panel? How can a 10-Watt solar panel power a 30-Watt computer?
Simple, put the solar panel out all day connected to a battery so that all the solar power collected will be stored in the battery. Equipment can then be connected to the battery as needed - batteries are typically able to release more power than was used to charge them, and only their capacity will dictate how long you can run from them.
3. Give the stored power to the laptop
Let's avoid AC power if possible...
An AC inverter is a small device that converts battery power to household outlet "AC" power.
AC power is something you will want to avoid in a portable power application if at all possible. It is documented in other areas of our website how an AC inverter is quite inefficient, and requires system support that makes portability a bit difficult.
The other, more desirable option is to use a voltage converter to create the power your laptop needs. Whether you are wanting to charge directly from the solar panel, or via your solar power storage battery, the voltage converter will provide the proper voltage for your computer's battery system.
In conclusion...
Creating a portable solar power system using flexible, foldable solar panels for extended expeditions with your laptop computer requires some careful considerations. Choosing a solar panel that adequately offsets your power consumption. Storing the electricity you generate from the solar panel for later use and to moderate the variable power of the sun. And finally, use a voltage converter, or AC inverter, to provide your laptop with the correct voltage power.
To read the complete solar powered laptop article, or for more information on taking all your portable electronics to the extreme, visit the Modern Outpost website: modernoutpost.com. Other articles include portable solar panel power systems for kayak expeditions: http://www.modernoutpost.com/gear/app_power_kayak.html, hiking expeditions: http://www.modernoutpost.com/gear/app_power_hiking.html... and more.
Buying guides for all relevant component products like solar panels, battery packs, and battery chargers are also featured on the site.
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Looking for Vision Dome? Then have a look below to see what we have on offer, stock changes daily
How do wired in-home security cameras work?
we are finishing our basement and i am thinking of putting a security camera down there to help keep and eye on my preschool aged son when i'm upstairs. how big of an area can one camera watch? will i be able to hook it up to my TV or computer to watch? are they pretty easy to install? if it has zoom or pan/tilt, how do i control these? a joystick?
this is the type i am thinking about getting. any other suggestions?
http://www.amazon.com/Q-See-QPD308-Indoor-Camera-Vision/dp/B000FFQ3BK/ref=wl_it_dp?ie=UTF8&coliid=I1UHFLUEBYF3GG&colid=O5PL0DQZMZ82
or
http://cgi.ebay.com/1-3-SONY-COLOR-IR-CCTV-CCD-WEATHERPROOF-DOME-CAMERA_W0QQitemZ140277264671QQcmdZViewItem?hash=item140277264671&_trksid=p3286.c0.m14&_trkparms=72%3A570%7C66%3A2%7C65%3A12%7C39%3A1%7C240%3A1318
you can try www.techcctv.com or give them a call they can help
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To watch the numbers tick on the World Clock, it seems that healthy lifestyles continue to be coming to an end and now we can see. We can count off each second to the tenth power how much the temperature of the earth is increasing. This information from the United Nations, which is gathering information from every weather station on earth mostly now all on line. So we know when the seas will begin to turn all us coastal folks into members of the I love Venice club, and open our gondola concessions.
But that doesn't solve the problem of all those jets in the sky, that the numbers will double and double again. Soon each rich new Chinese will want to see Paris again. Dear gasping mother earth says take the train, not the plane. So here is our blue pie in the sky vision, we present this to you. If you agree, send a message or three, jets are fueled by kerosine, which is that trail up there that spittles on you and me. So each day you get home, and have been out for a stroll, if the day has been cloudy it may be a jet roll. so have a good shower when you get to home, and light not a candle to your kerosine dome.
Your hair is sprinkled with stardust so kerosine pure, or dirty to be honest, and that is for sure. So here is a plan, that the Economist ran. Sprinkle the globe, with a high tech railroad, under the sea between Siberia to we, and work on your project serene, while the transport gets you from Rio to Rome, or Moscow or Nome, London to Cairo, Johannesburg, up to Istanbul, then zip on back home. Look at a map, and imagine who might object. And work with those factors, and we have a fast track.
China has begun, at which France and Japan have excelled, to fast track trains rather than freeways, which America and Britain have tried. If China chooses the Anglo American vision on this and builds freeways for one billion cars, while they extend their coal burning plants, we will all soon live in a hellish gray skied hot place, in which we all become sicker. China privately admits it is losing perhaps ten percent of it's productivity on sickness and lost time, and this is climbing, as is the global clock temperature chart.
The route is here. Or do we want to be noble, blind, so full of our manifest destiny and sense of being chosen, or that our jihad is more holy than your crusade, or that your ancestry in north Ireland creates in me a need to kill, to revenge that bloody hand. My father did extensive genealogy of our family, nobles, buffoons, and arrogant fools. I had an Irish American mother, but my English Canadian father once told me we were entitled to have in our English coat of arms the bloody hand of English in north Ireland.
I had to ask. It seems that when King James offered that northern quarter of Ireland to which ever English could put their hand on the soil first. And, speaking of fanatics, apparently we have in our blood that one ancestor of mine saw another boat was beating to the beach, he chopped off one hand and threw with great force, and it did land on the beach, which now made it his, and he was in charge. King's Han Chinese hall monitors rules. To you, King James, from both my Irish heart and even my English soul, you should not have made such an intrusive, arrogant law.
And if we need to take a boat to Dublin, or even a non jet clean aircraft from Dublin to London, some how some more English and Moors and Christians and Jews and and blacks in south Africa could at least visit by train. Which would be a healthy change, and mighty refrain. Blue skies, nothing but blue skies, all day long. Is not possible. New coal plants to build. New jets to fly and spray us, coal in our lungs, kerosine in our hair. Do you have sum ting against progress, you did all this, we can too. Oh, where is that train, convert dear Boeing and we can soon tram to Spain. And that is my refrain, I will say again and again.
About the Author:
Derek Dashwood enjoys the combining of science into the humanities to measure politics and use and wise use of power at
Healthy Lifestyles That Could Take Us Around the WorldArticle Source: ArticlesBase.com - Healthy Lifestyles, Global Warming - Industry Shift Changes Coming
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If you want to buy Observation System you'll find some great offers below.
How can I find a computer system administration job in a scientific facility, like a space observation lab ?
I want to work as an it system administrator supporting an exciting scientific project like human genome project or space observation lab etc. What is the best way to achieve this goal ?
I am currently working as a Linux sys admin over 5 years of experience with a B.S. in Computer Engineering and several certifications. I live in Turkey.First identify companies that are part of scientific projects you are interested in. Your key words for searching Yahoo! include
human genome biotechnology
information technology contractors
scientific data base management and
science corporation (pharmaceutical, aerospace, or other industry).You will find companies' names and contact people, then apply for work at those companies.
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United Nations push to build new climate observation system
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Our bodies do a lot of things unconsciously that give out signals to people to let them know how we feel about them. You may be able to control them to a degree, but it is very difficult to not fall victim to one or two of them. Unless you have perfect control of your body at all times, you will invariably give out signals at one point or another. If you pay attention, you will be able to see how through body language a guy likes a girl.
Guys are much more transparent than women when it comes to body language. Men will often let their emotions flow without ever even thinking about it and by the time they realize what they are doing, it is far too late.
One of the easiest signs to read in body language that a guy likes a girl is when he first looks at her. Men have a tendency to literally drop their jaw wide open when they see the girl that drives them wild. They may catch it quickly, but make no mistake about it, that jaw will drop if you knock their socks off.
Preening is an automatic sign that a man in interested in a female. Unless they are conceded, one of the few times a man will really worry about how he looks is when he is in the company of a lady that he really likes. This is especially true if he is with his friends and you two just happen to meet. All of a sudden he is checking his socks and tucking in his shirt, you know you have him right where you want him!
Men will also tend to make themselves out to be a little bit better in real life than they truly are. This is pretty normal and innocent as all they are trying to do is impress you. Let them enhance their story a little bit as it will all come out in the end. In fact, if you really like him, make sure you go along with it and he will be eating out of your hand in no time. As you can see it is quite easy to observe a guy's body language to tell if he likes a girl.
If you would like to learn about observing your date's body language and the art of seducing beautiful women, then visit my website and get your hands on my free report that has changed the dating life of thousands of men and turned them into dating kings.
About the Author:
Mark Taylor is an expert on seduction, attraction and dating. He has helped thousands of men attract beautiful women and get over their shyness and transform into confident men. If you would like to be able to seduce ANY women then check out his website at www.masteronlinedater.com
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Find Digital Clock information and products
How can I write a time formula in Excel to produce a digital clock?
I need to form a digital clock in Excel 2003 that read time licke a digital clock!
you can either put the code in yourself:
http://www.mrexcel.com/archive2/77100/89493.htm
or download a ready made file:
http://j-walk.com/ss/excel/files/clockchart.htm
but either way it has to be done using a macro, not a formula - formulas and worksheets are static. they do not do anything until something changes and even if you use the =now() function it will not constantly update.
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Article Referencing Digital Clock
Finding specific information about the digital & travel alarm clock might not be easy, but we have gathered very helpful and relevant information about the general subject matter, with the ultimate aim of helping you out. Digital clocks are helping us in a lot of ways to regulate our time with lot of activities. As this way if we are literally telling, clocks & watches controls & maintains our rhythm of daily life. Even if your search is about another digital or travel alarm clock information, such as rhythm alarm clock, new year's resolutions, battery operated an alarm clock or even a kid alarm clock, this piece of information will prove very helpful, to say the least.
Really, digital clocks & alarm clocks are two successful helping tools to us, even though we don't remember about the valuable service they are providing to us. I thought I had the alarm clock before I had children. As a professional Nanny I was never late for a soccer game, a music lesson, or birthday party. It turns out; there are two types of internal alarm clocks. The one reserved for those of us who don't have children under the age of 18. This one allows you to roll out of bed just before your alarm goes off after a night of 8 hours of restful sleep.
Digital & alarm clocks come in various features and styles. Majority of the digital & travel alarm clocks is comparatively small. Some also come in a flip open style just like the large pocket watch. When the watch is in a suitcase the clock thus is protected inside from the bumps. Some small clocks also look like a cell phone. Certainly irrespective of the travel alarm clock size they will also have the protective cases with them. Top listed digital & travel alarm clocks are Slim Multi - Function Clock, Slim Fold - Away Clock / Calendar, Digital Clock, Deco Desk Clock, Rosewood Wall Clock, Silver Arch Clock, Gyroscopic Clock with Wood Base, Cherry-Finish Desk Clock w/Silver Bezel, Flex Man Digital Clock, Ellipse Clock, Spinning Desk Clock, Metallic Clock and more.
Whether you are using digital & travel alarm clocks for travels, your bedroom, or other reasons, alarm clocks show that you are thinking of something that they can use instead of simply something to promote your company. The three reasons mentioned above are the main reasons why companies choose digital alarm clocks as one of their promotional gifts.
Print4Half.Com now released promotional digital clocks & travel alarm clocks from USA. We are inscribing the company name, logo and slogans on promotional products will enhance the speed of flow of our products in the market. We can brand any of our printed desk clocks & digital alarm clocks by imprinting company name or logo on promotional clock and watch accessories. Familiar items include clocks and watches, golf accessories, desk accessories, mouse pads, pens, mugs, t-shirts or key chains. Most our promotional items are relatively small and inexpensive, but can range to higher-cost items.
About the Author:
George
Print4half.com
NJ, USA
Offers Online Custom Printing
E Mail : [email protected]
Website: http://www.print4half.com/Article Source: ArticlesBase.com - Digital Clocks | Travel Alarm Clocks & Desk Clocks Highly Suitable For Your Needs & Bring Back Vast Profit
US $4.73
