It would depend on whether you can trust the resistor to dissapate the extra heat generated by additional current. It's not something I would do over the long term...
On Fri, Feb 25, 2011 at 12:57 PM, Jim Holmgren <[email protected]>wrote: > Matt, > I believe you are correct. Also not an EE, but in about 10 years of > working for RadioShack, that was the mantra. > > The device will only draw the amperage it needs, but it must have the > correct voltage. > > Jim > > > Jim Holmgren > Senior Manager, Infrastructure Services > XLHealth Corporation > The Warehouse at Camden Yards > 351 West Camden Street, Suite 100 > Baltimore, MD 21201 > 410.625.2200 (main) > 443.524.8573 (direct) > 443-506.2400 (cell) > www.xlhealth.com > > > > > -----Original Message----- > From: Matthew W. Ross [mailto:[email protected]] > Sent: Friday, February 25, 2011 12:49 PM > To: NT System Admin Issues > Subject: RE: QUICK question... A/C adapters > > I am not an electrical engineer, so please do not take this as power > supply advice: > > I have been told that as long as the voltage is correct, you can go over > on the amperage with your PS. So, if you have something that requires > 9V, 1 amp PS, and you have a 9 volt, 2 amp... you're good to go. The > device will only pull as much amperage as it requires. > > Voltage is specific, as I'm told. Don't mess with it. AC and DC don't > mix, etc, etc... > > Again, don't use this as any kind of real advice. Somebody with real > electrical engineering experience can verify or tell me I've been told > wrong. Sm:)e. > > > --Matt Ross > Ephrata School District > > > ----- Original Message ----- > From: Maglinger, Paul > [mailto:[email protected]] > To: NT System Admin Issues > [mailto:[email protected]] > Sent: Fri, 25 Feb 2011 > 09:32:57 -0800 > Subject: RE: QUICK question... A/C adapters > > > > I go with 3rd party when there is a significant cost savings. Case in > > point, we use a particular print server. The power supplies are > > notorious for going bad. We cannot purchase the OEM power supplies > > alone and the entire package runs about $120. I found replacement > power > > supplies for $7.50 online. Just make sure that the voltage, current, > > polarity, and the connector size all match up! > > > > I have been known to go slightly higher in the current capacity so > they > > don't run as hot. Note that I said "slightly". > > > > -Paul > > > > -----Original Message----- > > From: John Aldrich [mailto:[email protected]] > > Sent: Friday, February 25, 2011 11:27 AM > > To: NT System Admin Issues > > Subject: RE: QUICK question... A/C adapters > > > > Thanks guys... I'll keep monitoring, although it sounds like the > > consensus > > of opinion so far is that 3rd party is OK. :-) > > > > > > > > > > -----Original Message----- > > From: Matthew W. Ross [mailto:[email protected]] > > Sent: Friday, February 25, 2011 12:10 PM > > To: NT System Admin Issues > > Subject: RE: QUICK question... A/C adapters > > > > *grabbs the "Dell" AC adapter under his desk and checks who actually > > manufactured it.* > > > > It appears that Dell doesn't make their own, this one is made by > Delta. > > (A > > well known PS manufacturer.) > > > > I'm sure Dell has some very specific requirements for their power > > supplies. > > > > But, I will say that any reputable aftermarket PSs are likely trying > to > > be > > as close to the specs as possible for the intended use. YMMV. > > > > > > --Matt Ross > > Ephrata School District > > > > > > ----- Original Message ----- > > From: Ames Matthew B > > [mailto:[email protected]] > > To: NT System Admin Issues > > [mailto:[email protected]] > > Sent: Fri, 25 Feb 2011 > > 08:59:07 -0800 > > Subject: RE: QUICK question... A/C adapters > > > > > > > Personally I would get a proper one direct from the manufacturer. > You > > > hardly want a cheapo PSU bein left on and causing a fire. > > > > > > Pretty sure that Dell a good few years ago did a recall for a dodgy > > > batch of laptop PSU (at least in the UK), I doubt you would get that > > > sort of service from an Amazon seller. > > > > > > > > > -----Original Message----- > > > From: John Aldrich [mailto:[email protected]] > > > Sent: 25 February 2011 16:47 > > > To: NT System Admin Issues > > > Subject: QUICK question... A/C adapters > > > > > > Are A/C adapters something you guys would ONLY buy from the OEM or > is > > an > > > aftermarket OK on something like that? I got the OEM to come down > > about > > > $10, but they're still about $10 higher than Amazon... if you guys > > think > > > that's something that should come from the OEM, I'll go with them. > > I'll > > > look for your answers until Monday and make a decision based on the > > > consensus of opinion then. :-) (See... I can be patient. :-)) > > > > > > > > > > > > > > > > > > > > > ~ Finally, powerful endpoint security that ISN'T a resource hog! ~ ~ > > > <http://www.sunbeltsoftware.com/Business/VIPRE-Enterprise/> ~ > > > > > > --- > > > To manage subscriptions click here: > > > http://lyris.sunbelt-software.com/read/my_forums/ > > > or send an email to [email protected] > > > with the body: unsubscribe ntsysadmin > > > This email and any attachments to it may be confidential and are > > > intended solely for the use of the individual to whom it is > > > addressed. If you are not the intended recipient of this email, > > > you must neither take any action based upon its contents, nor > > > copy or show it to anyone. Please contact the sender if you > > > believe you have received this email in error. QinetiQ may > > > monitor email traffic data and also the content of email for > > > the purposes of security. QinetiQ Limited (Registered in England > > > & Wales: Company Number: 3796233) Registered office: 85 > > > Buckingham Gate, London SW1E 6PD http://www.qinetiq.com. > > > > > > ~ Finally, powerful endpoint security that ISN'T a resource hog! ~ > > > ~ <http://www.sunbeltsoftware.com/Business/VIPRE-Enterprise/> ~ > > > > > > --- > > > To manage subscriptions click here: > > > http://lyris.sunbelt-software.com/read/my_forums/ > > > or send an email to [email protected] > > > with the body: unsubscribe ntsysadmin > > > > > > > > > > ~ Finally, powerful endpoint security that ISN'T a resource hog! ~ > > ~ <http://www.sunbeltsoftware.com/Business/VIPRE-Enterprise/> ~ > > > > --- > > To manage subscriptions click here: > > http://lyris.sunbelt-software.com/read/my_forums/ > > or send an email to [email protected] > > with the body: unsubscribe ntsysadmin > > > > > > > > ~ Finally, powerful endpoint security that ISN'T a resource hog! ~ > > ~ <http://www.sunbeltsoftware.com/Business/VIPRE-Enterprise/> ~ > > > > --- > > To manage subscriptions click here: > > http://lyris.sunbelt-software.com/read/my_forums/ > > or send an email to [email protected] > > with the body: unsubscribe ntsysadmin > > > > ~ Finally, powerful endpoint security that ISN'T a resource hog! ~ > > ~ <http://www.sunbeltsoftware.com/Business/VIPRE-Enterprise/> ~ > > > > --- > > To manage subscriptions click here: > > http://lyris.sunbelt-software.com/read/my_forums/ > > or send an email to [email protected] > > with the body: unsubscribe ntsysadmin > > > > > > ~ Finally, powerful endpoint security that ISN'T a resource hog! ~ > ~ <http://www.sunbeltsoftware.com/Business/VIPRE-Enterprise/> ~ > > --- > To manage subscriptions click here: > http://lyris.sunbelt-software.com/read/my_forums/ > or send an email to [email protected] > with the body: unsubscribe ntsysadmin > > > > CONFIDENTIALITY NOTICE: This email, including attachments, is for the sole > use of the intended recipient(s) and may contain confidential and/or > protected health information. Under the Federal Law (HIPAA), the intended > recipient is obligated to keep this information secure and confidential. Any > disclosure to third parties without authorization from the member of as > permitted by law is prohibited and punishable under Federal Law. If you are > not the intended recipient, please contact the sender by reply e-mail and > destroy all copies of the original message. > > NOTA DE CONFIDENCIALIDAD: Este facsímile, incluyendo lo adjunto, es para el > uso exclusivo del destinatario(s) y puede contener información confidencial > y/o información protegida de salud. En virtud de la Ley Federal (HIPAA), el > destinatario tiene la obligación de mantener esta información segura y > confidencial. Cualquier divulgación a terceros sin la autorización de los > miembros de lo permitido por la ley está prohibido y penado en virtud de la > Ley Federal. Si usted no es el destinatario, por favor, póngase en contacto > con el remitente por teléfono y destruir todas las copias del mensaje > original > > ~ Finally, powerful endpoint security that ISN'T a resource hog! ~ > ~ <http://www.sunbeltsoftware.com/Business/VIPRE-Enterprise/> ~ > > --- > To manage subscriptions click here: > http://lyris.sunbelt-software.com/read/my_forums/ > or send an email to [email protected] > with the body: unsubscribe ntsysadmin > > ~ Finally, powerful endpoint security that ISN'T a resource hog! ~ ~ <http://www.sunbeltsoftware.com/Business/VIPRE-Enterprise/> ~ --- To manage subscriptions click here: http://lyris.sunbelt-software.com/read/my_forums/ or send an email to [email protected] with the body: unsubscribe ntsysadmin
