Not really DIY but looking for informed advice. Just been provided with a new laptop at work and it came with a 19v power supply which is earthed. IT guy said I could use it with the old style power supply (19v unearthed with double insulated symbol) but I might get a tingle off the laptop case ! ! ! ! ! !
I intend to get a second power supply to leave at home but they can only supply the old version. They have the same size plug at the 19v end.
He also said you could use the figure of 8 plug in the clover leaf socket - I would not want to push that hard to get it in but gave me an indication of his level of knowledge.
Now my basic understanding is saying it is only 19v and it is OK but is this safe and is the earth only necessary for the power supply or is the laptop itself likely to be earthed through the DC neutral?
I intend to get a second power supply to leave at home but they can only supply the old version. They have the same size plug at the 19v end.
He also said you could use the figure of 8 plug in the clover leaf socket - I would not want to push that hard to get it in but gave me an indication of his level of knowledge.
Now my basic understanding is saying it is only 19v and it is OK but is this safe and is the earth only necessary for the power supply or is the laptop itself likely to be earthed through the DC neutral?