Thanks guys for your comments; much appreciated.

1. Getting the lengths right is indeed a problem. I am pretty sure it too me more than one attempt too.

2. I don't know about the safety cut-out in the power supply, although I suspect that there must be something as it must be possible to short out the pins on the connector by mistake some time.

3. I found that the strain relief was not good myself too. Abrading the top of the casing and then putting a big blob of hot-melt glue worked much better, even if it was not very elegant! It would be interesting to see if your strain relief

Dave

Quote from Hans Henrik:

Hi Dave

My MagSafe is broken inside the wires, close to the power supply.

Do you have any tips on how to open the power supply?

Is it glued together in the white plastic?

(60W for MacBook white)

thanks Hans Henrik

Hi Hans

Sorry, but I haven't tried that. I did pick up a broken one on ebay for the magsafe connector, so if I get a chance I will try pulling it apart as it doesn't matter if I break it.

Quote from Kyle Wiens:

This is great! Very useful, and nice zoomed in photos. Thanks for putting it up!

Thanks. I think that the strain relief needs more work though as it is still not standing up well enough to my daughter working on her lap! I have some ideas but need to try them out.