Yes, you can combine in parallel too.  Unless they are essentially the same 
unit, you can have them not sharing the load equally in parallel.  Sometimes 
that can be ungood.  

From: Steve Jones 
Sent: Tuesday, July 11, 2017 9:57 AM
To: [email protected] 
Subject: Re: [AFMUG] Off sources for 48v 2.5 a power supplies

That actually works? Does that apply in parallel as well if I have the voltage 
I need but not the amperage? I just assumed multiple power supplies connected 
together would be like crossing streams and call up some demonic stay puff 
marsh mellow crickets or something 

On Tue, Jul 11, 2017 at 10:02 AM, Chuck McCown <[email protected]> wrote:

  Two 24 volt wall warts in series.  4 - 12 volt wall warts in series.  

  From: Colin Stanners 
  Sent: Monday, July 10, 2017 8:58 PM
  To: [email protected] 
  Subject: Re: [AFMUG] Off sources for 48v 2.5 a power supplies

  Most professional security cameras are either 24v AC or powered off a .AF PoE 
switch with a built-in PSU so no external 48v. Your local electronics supply 
would be the best chance.

  On Jul 10, 2017 7:18 PM, "Steve Jones" <[email protected]> wrote:

    I meant off sources, local type joints that would have it in a pinch, like 
plumbing shops carry our masts in stock, but theyre called water pipe and come 
in 21 foot lengths. You have to get them cut, and the cuts not galvanized,, but 
its literally the same pipe (thanks sitepro for forgetting your nail polish 
wipe) 
    I really figured the security joint would have it, with multicam ip cams 
and all.

    On Jul 10, 2017 7:07 PM, "Rory Conaway" <[email protected]> wrote:

      Amazon.  Look for 48v 144w.



      Rory



      From: Af [mailto:[email protected]] On Behalf Of Steve Jones
      Sent: Monday, July 10, 2017 4:59 PM
      To: [email protected]
      Subject: [AFMUG] Off sources for 48v 2.5 a power supplies



      I needed one of these in a pinch today called local electricians and a 
security outfit, im betting the security joint has them and doesnt realize it. 

      Any other ideas on where to look in a pinch?

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