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Power Cord Sparks Whenever I Plug It In - Page 2

post #11 of 16
I tried to see if I could damage our x41 ThinkPad at work by repeatedly plugging and unplugging it (we have really old power outlets). It sparked something ungodly - especially with the lights dimmed. But it still booted up and ran like ass, just like it always has. I think you are safe.
post #12 of 16
Just leave the plug in...then plug your laptop in/out when you need to ;-)
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post #13 of 16
It is called arcing and it is normal. If youll pay attention youll notice it gets worse when the temperature drops and the air gets dryer. What is actually causing it is the plug not going in straight initially. When this happens the last prong will arc itself to make contact when the two get close enough. The only damage this can do is if you have something conductive very very very near the plug. Other than that it will cause no problem at all. If it is unacceptable or you are just a little worried about it put a very light coat of die-electric grease on the plug prongs.
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post #14 of 16
Current electricity is simply static charge flowing through a conductor. In this case, air is the conductor. Now that its winter, charges are much less efectively dissipated by the air since its less moist. Therefore they build up. Bring a charged object near an oppositely charged one to a distance directly proportionate the object's charge.... and you c the exact same thing that happens in the sky every now and then - lightning.
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post #15 of 16
Yeah, my first thoughts were static. Just don't place your laptop or any other computer accessory near it while you are plugging it in and also hold the back of hte plug to prevent you from getting zapped, too lol . The arc can potentially damage your system if it arcs to any static buildup on the keyboard/monitor(display for laptops) or even your external mouse. The static buildup is normal. Some converters are now equipped with an anti static capacitor or something like that. They absorb the shock and release it into the rectifier when it is safe to do so.
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post #16 of 16
i just bought a universal power adapter, from ebay/china. This is the only power adapter in my house that does this, some in past may of done it randomly but not consistent every time. I understand what you are saying may be normal, so why is it that it is the only adapter that does this, every time? .. and/or why.
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