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Charger cable turning yellow at both ends?

AdventurousJosh

macrumors 6502
Original poster
Aug 11, 2008
299
18
Hey guys-

so I made a thread earlier about a charging issue - and I just realized these yellow marks aren’t from me lol and it’s from over heating. My usb charming cable is yellowing at both ends - does this mean my entire charging adapter is faulty, or is it possible I can just replace the cord? And as for any damage to my computer?
Any help is appreciated, thanks guys.

Josh
 

Namara

Contributor
Apr 16, 2020
2,968
2,827
East of the sun, west of the moon
Hey guys-

so I made a thread earlier about a charging issue - and I just realized these yellow marks aren’t from me lol and it’s from over heating. My usb charming cable is yellowing at both ends - does this mean my entire charging adapter is faulty, or is it possible I can just replace the cord? And as for any damage to my computer?
Any help is appreciated, thanks guys.

Josh
Well, I'm glad to hear you find your cables charming. Are these Apple-branded cables and charger(s), or a third-party brand?
 
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AdventurousJosh

macrumors 6502
Original poster
Aug 11, 2008
299
18
Well, I'm glad to hear you find your cables charming. Are these Apple-branded cables and charger(s), or a third-party brand?
It’s the same cable that came with my MacBook back in 2016. And lol usb c charging cable* it started to yellow at one end slowly, eventually it started to yellow at both ends. Just unsure if adapter is bad too?
 
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Namara

Contributor
Apr 16, 2020
2,968
2,827
East of the sun, west of the moon
It’s the same cable that came with my MacBook back in 2016. And lol usb c charging cable* it started to yellow at one end slowly, eventually it started to yellow at both ends. Just unsure if adapter is bad too?
I've never seen a cable turn yellow as you describe. Was the charger plugged directly into a wall outlet or into a hub? Can you get a new charger and cable ASAP?
 
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unQuestionable

macrumors member
Feb 14, 2018
60
17
Fargo/Moorhead Area
Mine is the same. Is it burning or why is it yellow y’all?
 

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psingh01

macrumors 68000
Apr 19, 2004
1,519
543
It’s just cheaply made and the material is degrading over time. This has happened to almost all my apple cables or wired headsets over time. Maybe it is easier to see on white cables than on black, but I’ve had phone cases also degrade where they become filmy/oily as well as plastic toys. It takes a while and its different based on the material. If you put on a pair of latex gloves they they will yellow by the time you are done wearing them because of reactions with your skin’s sweat/oil.
 
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ght56

macrumors 6502
Aug 31, 2020
473
319
This can happen with age and handling. Higher temperatures and UV light seem to accelerate the process, and it generally happening on the ends suggests to me that the oils on our fingers play a role...it tends to also happen with devices where there is not a ton of heat, such as iPhone cables, suggesting heat is not the sole factor involved.

The yellow color itself is not an issue, but it can signify that the outer insulation is weakening/losing its elasticity, it may be more prone to tearing open or permanently deforming, and so it may be nearing the point where the cable should be replaced. This was a huge frustration with MagSafe, but with the USB-C cables it is a much cheaper endeavor given the charging block is now separate from the cable.
 
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Pilot Jones

macrumors regular
Oct 2, 2020
123
165
I have been noticing this exact same issue with my MacBook Pro MagSafe 2 charger that I only just bought in February. I got a little worried when I saw the yellowing, was hoping it wasn't literally melting on the inside or something.

I can't exactly remember, but I am almost certain that my old charger that I had from 2015 to 2020 did not yellow at all. Hopefully this isn't a materials quality compromise, a charger that constantly heats up would just about be the worst place to make that sort of a cost cut.
 
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firedept

macrumors 603
Jul 8, 2011
5,882
749
Somewhere!
I had this issue with my 2010 Macbook Pro laptop I use to have. The yellowing is just age. Cable is getting old and will eventually fail. Mine did. Just replace it. Only the cable needs replacing.
 
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antonrg

macrumors member
Feb 22, 2019
75
79
Paris
The charging cable I got with my MacBook in 2016 is almost entirely yellow now. It started on the ends and then progressed all through. Strange. Adapter is fine though.
 
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MiamiBeach

macrumors member
Sep 16, 2020
49
21
I had this happen to some older iPhone lightning cables but they still work. My MacBook cable is still as new.
 
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