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dsyvert
Joined: 21 Sep 2009
Posts: 2
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 Posted: Mon Sep 21, 2009 6:20 am Post subject: Dual Battery Dual Alternator Grounding |
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I have two #2 AWG cables running from the back of my RV-10 to the firewall. My question is if I put in two batteries and two alternators, where do I ground each one. Van's plans show the grounding at the behind the baggage bulk head. Could both batteries be grounded there to a common ground? I intended to use the second cable as a ground from the battery to the firewall, but Van's shows it to be grounded to the battery box.
Sorry if this has already been addressed
dsyvert
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nuckolls.bob(at)aeroelect
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| Posted: Mon Sep 21, 2009 7:33 am Post subject: Dual Battery Dual Alternator Grounding |
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At 09:20 AM 9/21/2009, you wrote:
| Quote: |
I have two #2 AWG cables running from the back of my RV-10 to the
firewall. My question is if I put in two batteries and two
alternators, where do I ground each one. Van's plans show the
grounding at the behind the baggage bulk head. Could both batteries
be grounded there to a common ground? I intended to use the second
cable as a ground from the battery to the firewall, but Van's shows
it to be grounded to the battery box.
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Independent grounds to structure will be
consistent with design goals for elimination
of single points of failure. See . . .
http://aeroelectric.com/Pictures/Batteries/Battery_Install_OBrien_2.jpg
do this for EACH battery. Also, 4AWG welding cable
jumpers from battery(+) to contactor and battery(-)
to ground are a good idea to minimize mechanical
stress on terminals.
Bob . . .
---------------------------------------
( . . . a long habit of not thinking )
( a thing wrong, gives it a superficial )
( appearance of being right . . . )
( )
( -Thomas Paine 1776- )
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