Re: [82attendees] Popped power supplies?

Steven Bellovin <smb@cs.columbia.edu> Tue, 15 November 2011 05:31 UTC

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From: Steven Bellovin <smb@cs.columbia.edu>
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Cc: "Charles E. Perkins" <charles.perkins@earthlink.net>, "82attendees@ietf.org" <82attendees@ietf.org>
Subject: Re: [82attendees] Popped power supplies?
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My room in the Hyatt has both 120V and (explicitly labeled) 220V
outlets; the latter are equipped with "universal" holes that accept
US, British, and European plugs.  I've plugged assorted laptop and
USB power supplies into all of them, not caring much which I used
for what; it's all just worked.

On Nov 14, 2011, at 11:46 PM, Joel Jaeggli wrote:

> there is no 220v power on consumer outlets in this country.
> -- 
> Joel Jaeggli 
> 
> Network Engineering
> +1.541.513.4095
> jjaeggli@zynga.com
> 
> 
> 
> 
> On 11/15/11 11:27 , "Charles E. Perkins" <charles.perkins@earthlink.net>
> wrote:
> 
>> 
>> Hello folks,
>> 
>> It could be a random failure, but my (non-USB) adapter has
>> stopped working in the IETF rooms.  No smoke or fire, but it
>> _seems_ to be shorting out and sucking all the power from
>> the other connected power strips.  Perhaps the power strips
>> are 220V and my adapter has started to fail on 220V supply.
>> The adapter does work in my room (110V), thank goodness.
>> 
>> Regards,
>> Charlie P.
>> 
>> 
>> On 11/14/2011 7:19 PM, Ted Lemon wrote:
>>> On Nov 15, 2011, at 11:08 AM, Luke B<lukekb@gmail.com>  wrote:
>>>> It is possible they are not popped. In my room, if you turn off the
>>>> Master light switch on the console with all the buttons it also turns
>>>> off some outlets. Make sure you have Master&  Room turned on, and your
>>>> Key in the socket thingy near the door.
>>> 
>>> I wish that were so, but the loud pops and smoke serve as a clue that
>>> your theory is too optimistic.
>>> _______________________________________________
>>> 82attendees mailing list
>>> 82attendees@ietf.org
>>> https://www.ietf.org/mailman/listinfo/82attendees
>>> 
>> 
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		--Steve Bellovin, https://www.cs.columbia.edu/~smb