Feeling electric current on MacBook Pro M1 with charger plugged in

I know you said you don't want to hear it but I recommend as a troubleshooting step that you try another outlet, and/or a different building.

Millions of computers are sold and occasionally we see a post like yours. So the common factor that may be contributing has to be eliminated. If the issue is the adapter design we would see many more posts like yours. This is not to say that your adapter may be not correctly working, but other causes have to be explored and eliminated as well.

flexier wrote:

I can quickly answer that. I have the same issue at work. Actually with a second second/spare power supply as I'm to lazy to carry the power supply with me on a daily basis. Besides, if the issue would be the building, using the grounded extension wire wouldn't make a difference.

The fact that people don't complain, doesn't mean I'm wrong. Many might actually pay the money for the extension and thereby don't have a problem at all. Also, only the UK and Malta would be effected as all other countries as far as I know have the building grounded on neutral (e.g. US). So in the US and many EU countries phase and neutral is all you need.

So your argument is pretty weak.

I'm not arguing I'm trying to help you troubleshoot. Troubleshooting is a process of elimination of possible causes. It appears you are experiencing symptoms not experienced by millions of computer users. I suggest you have your computer, and adapter, examined by an authorized service center.

Apple stopped including the Grounded AC power "extension cord", probably as a cost saving.

it is available at the Apple Store for US$20.

I have a diagram of the "full Kit"

(for Readers who do not know the small head is replaceable with the extension cord)

.

These are US cords, UK is similar but a bit larger.

I am also experiencing this issue with a newly purchased M2 MacBook.

I feel the electrical sensation when trying the following:

• Using the supplied mag safe cable and supplied two prong wall power adapter.
• Tried different wall power outlets using the supplied power adapter.
• Tried a non-Apple two prong wall power adapter used to charge my iPhone.
• Tried connecting USBC to USBC, from the provided adapter to the MAC.
• Touched 3x MacBook at a local authorised repair store, 2x Pro and 1x Air, and all had the same issue.

I do not feel the electrical sensation when trying the following:

• Connecting the MAC via USBC to USBC, via a DELL docking station with power delivery.
• Connecting the MAC via USBC to USBC, via a DELL monitor with hub with power delivery.
• Connecting the MAC via Mag Safe cable with the USBC end connected to a dell docking station.
• When disconnected.

I have been told this is normal, and expected, and is safe but no one wants to put that in writing. I am also being told that the 3x prong adapter cable extension may fix the issue.

Found this when searching YouTube:

MacBook electric shock leakage issue when charging

https://www.youtube.com/watch?v=q7LIBftSAfk

Is this really safe? What if someone has a heart condition, or pacemaker?

Is electrical issue normal/expected?

Get a three prong adapter that has a tab or wire to connect to the wall outlet plate screw,

The problem is your electrical system is either not grounded or improperly grounded.

For once, I'm located in Malta and we have the UK system here. Every single wall socket must be grounded and all electric appliances require grounding (3-core wire). Some suppliers/manufacturers cheap out on this requirement...

As I pointed out in my comments, it is the original Apple short plug that is not grounded (see images). When I use the long original Apple extension cable (which is grounded), the problem disappears.

So this is not related to the electric installation of the buildings I'm working in (notice the plural).

,

cjt-dev wrote:

• I am also experiencing this issue with a newly purchased M2 MacBook.

I feel the electrical sensation when trying the following:

<snip>

Is this really safe? What if someone has a heart condition, or pacemaker?

Is electrical issue normal/expected?

No it is not normal nor safe.

Take the computer to an authorized service center for inspection to eliminate computer issues.

You should watch the video before answering. The Apple service provider will tell you that this is how Apple is selling the product. If you don't like it, get the extension cable.

THIS IS NO DAMAGE OR PRODUCT FAULT, IT IS VERY POOR DESIGN.

What Apple should do for their high end products is to change the design of the short plug and give every customer of the current MacBooks having this badly designed charger a free upgrade!!!!!

Not everyone who owns these units is seeing the issues you are seeing. This is a possible fault in your sample of the product. You should contact official Apple Support or visit an Apple-Authorized Service Provider for help.

Readers here are other Users like you. Even if we all agreed with your point of view [which in my option is not accurate] All we can do about it from here is offer you advice.

My advice is, "Contact Apple."

Called Apple several times, transferred several times. Having said that everyone I talked to was polite. However on the last call I was disconnected after lengthy period of time (no call back).

The process so far has been a process of discovery.

This electrical OOTB feature is not advertised when buying the MAC and it is unclear if this is a safety issue when using the MAC with the provided 2 prong adapter (especially for those who have heart conditions, pacemakers?).

When calling Apple Support (including technical support) some staff seem mildly aware of the issue. Some staff acknowledged that this issue was present on their MAC's to some degree.

No one wants to confirm the MAC as safe to use and now I am in a MAC return/replacement loop.

if you bought DIRECT from Apple, not through a Reseller of any description, you have 14 days to return your purchases for replacement or full value refund (your choice) for any reason.

If you bought through a Reseller, they are free to set their own prices and their own policies.