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crimping question

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blues750

Joined: 06 Jun 2015
Posts: 56

Posted: Wed Aug 05, 2015 12:25 pm Post subject: crimping question

Best practices or caveats?  When needing to put multiple wires to a single Faston type connector...  do you butt splice  multiple wires then use single lead to Faston spade or bring multiple wires into the Faston female connector and crimp?



Thanks for indulging me...

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donjohnston

Joined: 13 Dec 2009
Posts: 231

Posted: Wed Aug 05, 2015 2:08 pm Post subject: Re: crimping question

Like many things, it depends.  Two, three or maybe four (depends on the wire size), and I'll put them all in a single connector.  If they don't fit, I like to splice the wires into a single lead.  



But again, it depends on the size of the wires and their purpose.  Six 20AWG wires supplying devices that are on all the time probably wouldn't work well spliced into a single 20AWG wire.  But something like ground wires going to momentary switches would be okay.

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subknave

Joined: 17 Jun 2013
Posts: 17
Location: portsmouth, va

Posted: Thu Aug 06, 2015 3:19 am Post subject: crimping question

I think it depends on the type/size of wire and type/size of fastener.          A better solution might be ring type fasteners on a post              

         

         ---- blues750 <den_beaulieu(at)yahoo.com> wrote:

[quote] -->          AeroElectric-List message posted by: "blues750"          <den_beaulieu(at)yahoo.com>



 Best practices or caveats?          When needing to put multiple wires to a single Faston type          connector... do you butt splice multiple wires then use single lead to          Faston spade or bring multiple wires into the Faston female connector          and crimp?



 Thanks for indulging me...





          Read this topic online here:



          http://forums.matronics.com/viewtopic.php?p=445622#445622



          http://www.matronics.com/contribution

             

        	  Quote: 	
		  [b]

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nuckolls.bob(at)aeroelect
Guest

Posted: Thu Aug 06, 2015 5:18 am Post subject: crimping question

At 03:25 PM 8/5/2015, you wrote:

  	  Quote: 	
		  --> AeroElectric-List message posted by: "blues750" <den_beaulieu(at)yahoo.com>



 Best practices or caveats?  When needing to put multiple wires to a single Faston type connector...  do you butt splice  multiple wires then use single lead to Faston spade or bring multiple wires into the Faston female connector and crimp?



 Thanks for indulging me... 	




  See  http://tinyurl.com/l67uj8h



  The practical limits for multiple wires into single

  joints are driven by TOTAL cross section of copper

  in the wire-grip must be within the terminal's

  design limits. TOTAL cross section of insulation

  in cannot exceed terminal design limits but ther

  is a lot of leeway there. Some tools feature

  user adjustments to the insulation-grip dies

  to accommodate a range of volumes.



  http://tinyurl.com/93yweyd



  Finally, TOTAL current through the pathway's

  highest resistance MIGHT be a factor for

  temperature rise in the conductor . . . but

  this is rarely a concern.



  It matters not what kind of device is accepting

  multiple wires, they're all constrained by the

  same factors.



 

 

   Bob . . .    [quote][b]

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blues750

Joined: 06 Jun 2015
Posts: 56

Posted: Thu Aug 06, 2015 8:31 am Post subject: Re: crimping question

Thanks so very much for the replies and links...I have a sense on how to proceed now.  This forum is an amazing asset to have available!!



Dave

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