Re: OK to leave AC adapter ON fulltime?

On 6 Nov 2005 13:08:24 -0800, saltwaterfishing@xxxxxxxxx wrote:

>Interesting issue John Doue brings up. I believe typically most people
>probably set the laptop on the table, plug the AC adapter into the
>wall socket and then plug the adapter into the laptop. Yet I believe
>somewhere I read something about the proper sequence of connecting a
>laptop to AC power - have no idea if I really read this or simply think
>I did.
>
>How about others - is there a correct sequence (and why)?
>
>Thanks

The recommended sequence is: power every device off; connect all,
and any other connections e.g., network cables; plug into ac
lines; then power on, one by one. This reduces the chance of
electrical shock between devices and cables. This will also
reduce static discharges although some cables may be grounded so
there could be discharges.

If the last thing being connected is the power supply then
plugging it into the ac line first then into the laptop won't make
a practical difference for those considerations. Its ac line and
dc output are isolated and the ps-laptop dc plugs and jacks are
designed so grounds are made first; any static electricity between
the two will go through device grounds just as if the psand
l;aptop were connected first.

In fact, it's better for the ps to be powered up first then
connected to the laptop just in case the pack starts charging at
once although good design will delay the charge start until
voltages settle.. It is also of no consequence to keep the ps
plugged in all the time if it stays at room temperature -- in fact
that may extend its life. Most electronics fails when powered
up.. This assumes no ac outages of course.

..
.

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