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Best Connector for 8awg-12awg fuse link

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email(at)jaredyates.com
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Posted: Tue May 23, 2023 7:13 am Post subject: Best Connector for 8awg-12awg fuse link

I'm installing a 40a B&C alternator as a backup in the z101b architecture. I figure I need 8-gauge wire for the b-lead which will make for a 12-gauge fuse link. Is there an elegant connector to use for that 8-12 junction, or should I just solder and heat shrink them?

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Ceengland

Joined: 11 Oct 2020
Posts: 391
Location: MS

Posted: Tue May 23, 2023 8:34 am Post subject: Best Connector for 8awg-12awg fuse link

On Tue, May 23, 2023 at 10:15â€¯AM Jared Yates <email(at)jaredyates.com> wrote:



[quote] I'm installing a 40a B&C alternator as a backup in the z101b architecture

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Charlie

email(at)jaredyates.com
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Posted: Tue May 23, 2023 9:40 am Post subject: Best Connector for 8awg-12awg fuse link

Good thinking, if that happens, do I want it to happen?



On Tue, May 23, 2023, 13:39 Roger&Jean <rnjcurtis(at)charter.net (rnjcurtis(at)charter.net)> wrote:



 	  Quote: 	
		  --> AeroElectric-List message posted by: Roger&Jean <rnjcurtis(at)charter.net (rnjcurtis(at)charter.net)>

 

 If you solder a fuse link, wouldn't the solder melt and possibily separate before the copper fuse link?

 

 Roger

 

 On May 23, 2023 12:33 PM, Charlie England <ceengland7(at)gmail.com (ceengland7(at)gmail.com)> wrote:

 >

 >

 >

 > On Tue, May 23, 2023 at 10:15â€¯AM Jared Yates <email(at)jaredyates.com (email(at)jaredyates.com)> wrote:

 >>

 >> I'm installing a 40a B&C alternator as a backup in the z101b architecture. I figure I need 8-gauge wire for the b-lead which will make for a 12-gauge fuse link. Is there an elegant connector to use for that 8-12 junction, or should I just solder and heat shrink them?

 >

 >

 > Here's the 1st thing I hit; I just googled '8 gauge to 12 gauge butt splice'.

 >

 > Having said that, IIRC I cheated and shed a few strands from the 8 ga where it entered a yellow 10/12 butt splice (please don't tell anyone). Another option is to use a straight 8 ga butt splice with Bob's trick of jamming in a few 1/2" lengths of solid copper to fill out the fuselinkÂ side to 8 ga, but 8 ga splicesÂ tend to be bare copper too, which forces the use of heat shrink. Might as well solder & save the search. 

 >

 > All the other butt splice options I found were quite pricey in small quantities. If I hadn't cheated with the 10/12, I'd have soldered.

 >

 > Charlie

 >

 > Virus-free.www.avast.com

 

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Ceengland

Joined: 11 Oct 2020
Posts: 391
Location: MS

Posted: Tue May 23, 2023 10:06 am Post subject: Best Connector for 8awg-12awg fuse link

Fusible links typically open at the       middle of the run of link wire. The closer you get to either end,       the more 'heat sink' effect you get from the bigger wire or the       hardware on each end.

       

       Besides, if the wire's hot enough to melt solder (>360       degrees), you want something to open up. 

       

       On 5/23/2023 12:41 PM, Jared Yates wrote:

     

      	  Quote: 	
		                Good thinking, if that happens, do I want it to         happen?

       

                On Tue, May 23, 2023, 13:39           Roger&Jean <rnjcurtis(at)charter.net (rnjcurtis(at)charter.net)>           wrote:

         

          	  Quote: 	
		  -->           AeroElectric-List message posted by: Roger&Jean <rnjcurtis(at)charter.net (rnjcurtis(at)charter.net)>

           

           If you solder a fuse link, wouldn't the solder melt and           possibily separate before the copper fuse link?

           

           Roger

           

           On May 23, 2023 12:33 PM, Charlie England <ceengland7(at)gmail.com (ceengland7(at)gmail.com)>           wrote:

           >

           >

           >

           > On Tue, May 23, 2023 at 10:15â€¯AM Jared Yates <email(at)jaredyates.com (email(at)jaredyates.com)>           wrote:

           >>

           >> I'm installing a 40a B&C alternator as a backup           in the z101b architecture. I figure I need 8-gauge wire for           the b-lead which will make for a 12-gauge fuse link. Is there           an elegant connector to use for that 8-12 junction, or should           I just solder and heat shrink them?

           >

           >

           > Here's the 1st thing I hit; I just googled '8 gauge to 12           gauge butt splice'.

           >

           > Having said that, IIRC I cheated and shed a few strands           from the 8 ga where it entered a yellow 10/12 butt splice           (please don't tell anyone). Another option is to use a           straight 8 ga butt splice with Bob's trick of jamming in a few           1/2" lengths of solid copper to fill out the fuselinkÂ side to           8 ga, but 8 ga splicesÂ tend to be bare copper too, which           forces the use of heat shrink. Might as well solder & save           the search. 

           >

           > All the other butt splice options I found were quite           pricey in small quantities. If I hadn't cheated with the           10/12, I'd have soldered.

           >

           > Charlie

           >

           > Virus-free.www.avast.com

           

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Charlie

nuckolls.bob(at)aeroelect
Guest

Posted: Fri May 26, 2023 5:57 am Post subject: Best Connector for 8awg-12awg fuse link

At 11:33 AM 5/23/2023, you wrote:



 

  	  Quote: 	
		  On Tue, May 23, 2023 at 10:15â€¯AM Jared Yates <email(at)jaredyates.com (email(at)jaredyates.com)> wrote:

   I'm installing a 40a B&C alternator as a backup in the z101b architecture. I figure I need 8-gauge wire for the b-lead which will make for a 12-gauge fuse link. 	
 

    10AWG is big enough for this short, single strand run hence a 14AWG fusible

    link is called for. A yellow PDIG butt splice should do it. You may need

    to double the strip length on the fusible link and double it back to

    boost the amount of 14AWG copper in the splice.



 

   Bob . . .



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