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Electrical/Buzz/Tingly Feel on Ungrounded MBP

K

killawat

macrumors 68000
Original poster
Sep 11, 2014
1,968
3,620
Hey all, with the new MBPs coming without the grounded extension cord out of the box (c'mon apple seriously), you may feel a slight buzz/tingly/electrical feel on the case. This happens with other Mac laptops so its not exclusive to 2016 machines. Its not exactly a problem but it may make the machine uncomfortable to use (I hate it personally). The fix is to use a grounded cord rather than the two prong "duck head" included out of the box.

http://www.apple.com/shop/product/MK122LL/A/power-adapter-extension-cable

Description of Issue : https://discussions.apple.com/thread/2416273?tstart=0
http://apple.stackexchange.com/ques...that-my-macbook-air-is-passing-me-electricity
 
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Reactions: schmidti91
I'm getting this, it's a really strange sensation. Good to know it's somewhat normal and just a side effect of them being cheap with the extension.
 
Is this just specific to the new models? I used my 2010 model almost exclusively without the power extension and never noticed anything like this.
 
this is specific to any aluminium device. Even the iphone from iphone 5 to 7 has this "feeling" when the device is charging
 
I get this on my 2012 non retina. Feels weird so I use the grounded extension. I have a spare one ready to use with my new MacBook when it arrives.
 
It usually gets less noticeable if you plug the power brick in the other way around.
 
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