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Fig. Z-32 Question

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jgswartout(at)earthlink.n
Guest

Posted: Tue Aug 08, 2006 10:01 am Post subject: Fig. Z-32 Question

An asterisk indicates the 14 AWG wire from the Main Battery Bus to the E-Bus Alternate Feed Relay needs to be 6” long or less.  

Considering that it is protected by a fuse at the bus, why is it necessary to keep it short?  

   

Thanks.  

   

John

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nuckollsr(at)cox.net
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Posted: Wed Aug 09, 2006 6:25 am Post subject: Fig. Z-32 Question

At 02:00 PM 8/8/2006 -0400, you wrote:



 	  Quote: 	
		  An asterisk indicates the 14 AWG wire from the Main Battery Bus to the 

E-Bus Alternate Feed Relay needs to be 6 long or less.



Considering that it is protected by a fuse at the bus, why is it necessary 

to keep it short?


	


   Few recommendations are "necessary" . . . obviously, one may

   wire stuff up without regard to lengths, location and in many

   cases, wire size and the system will "function".



   There are recommendations that enhance performance and/or

   reduce risks. The relay in question is a mini-battery contactor.

   Decades old conventional wisdom suggests that battery contactors

   be located as close as practical to the battery so as to minimize

   the length of potentially "unprotected" or "uncontrolled, always-hot"

   wires.



   If you wanted to make it 12" or 12-feet, the system would still

   operate as intended . . . the suggestion is that you make it

   as short as practical.



        Bob . . .

      ---------------------------------------------------------

      < What is so wonderful about scientific truth...is that >

      < the authority which determines whether there can be   >

      < debate or not does not reside in some fraternity of   >

      < scientists; nor is it divine. The authority rests     >

      < with experiment.                                      >

      <                            --Lawrence M. Krauss       >

      ---------------------------------------------------------

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