Giriş
Over time, the wire coating of an Apple MagSafe Power Adapter may deteriorate leaving the wires exposed and possibly subject to electrical shorts. By covering the exposed wires with heat shrink you can protect the power adapter and yourself while continuing to use it to charge your computer.
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Locate the damaged or exposed area on the adaptor wire.
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Move the cable organizer clip away from the damaged or exposed area.
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Measure the approximate length of heat shrink needed to throughly cover all nearby damage with a single piece of heat shrink.
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Cut the heat shrink to the appropriate length using scissors.
You may want to note that the heat shrink should be big enough to slide over the end of the charger. This might be harder with the newer Mac chargers, cause the adapter is bigger.
This would have been a far easier repair perhaps IF Apple would have made a cable we could unplug from the box at the other end so we could use a smaller heat shrink tubing. But then they would have to sell replacement cables for quite a bit less than their $80 box. Planned obsolescence?
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Use a heat gun or a lighter to apply heat to the heat shrink.
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Continue until the heat shrink has shrunk and is tightly attached to the wire.
If they used this on a newer charger, the heat shrink might not shrink all the way, because it will have to be too big to fit over. You may want to create a note or warning at the beginning that for cables with larger adapters, like USB, the old ipod 30-pin connector, or the new magsafe mac chargers.
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The 3/8"(10mm) Heat Shrink Tube has a minimum diameter after shrinking (0.19"/5mm) that is larger than the Mac Charger Wire's Diameter. So, to create a proper hold, we need to increase its diameter. Wrap it in an electric tape or something like the red wire covering shown in the picture, to increase its diameter before shrinking it.
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Apple MagSafe Power Adapters typically range from $20-$79. By following this simple repair you can save money and continue using your power adaptor. People with similar wire coating issues and different power adaptors can hopefully find this repair guide helpful since the repair process is nearly identical.
Apple MagSafe Power Adapters typically range from $20-$79. By following this simple repair you can save money and continue using your power adaptor. People with similar wire coating issues and different power adaptors can hopefully find this repair guide helpful since the repair process is nearly identical.
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Thanks! Wish I had seen this repair technique a long time ago... would have saved a lot of money on buying new power supplies and an expensive laptop repair when a cracked cable shorted out. Much appreciated!
This method fried my cable and it stopped working… Do not recommend anyone to try it. Now I have to buy a new one…
Minimum sensitivity required. I think you missed the part where it reads…
“When heating, always keep the heat gun moving around the heat shrink. Do not apply heat to one location for too long. Overheating the heat shrink may cause further damage to the wire or wire coating underneath, and may melt the heat shrink itself.”
I know this is from 2017, but I had a big laugh when I read John Myr’s post. Who in their right mind would even attempt to make a repair if you don’t know how to use a heat gun or even a cig lighter? Further don’t try a repair if you don’t understand how to shrink shrink tube! LOL LOL I would have paid money to see this guy burn through his cord! OMG, thanks for the big laugh!
where do i get the red stuff??
Search “spiral cord protector” on amazon or aliexpress :)
I’m confused about step 5. Am I supposed to complete one layer of heat shrink, put the red stuff on top of the completed 1st layer, and then add a second layer of heat shrink on top of that? Or, should step 5 actually be step 3?
Is there a recommended heat shrink tubing size that will get over a magsafe 2 connector (bigger than the in-line one shown in this article), but shrink small enough to be tight around the wire??
For any one doing this kind of repair, you should know there exist heat shrink tubing that have a 3:1 shrink ratio (it shrinks to 1/3 the original diameter), which is extremely helpful in this kind of situation. Normal heat shrink tubing has a 2:1 shrink ratio (it shrinks to 1/2 the diameter).
For those unsure about the use of a heat gun. Use a hair dryer. Might take a little longer, but less risk of damaging the cable. Also I recommend using dual layer adhesive shrink tubing. Less chance of it sliding up and down the cable afterwards (I mean it shouldn't if you do it right, but the adhesive gives you that little bit of extra guarantee.).
