And I've had the buying of Calder's book on my list of things for the boat..   
All this discussion prompted me to order it yesterday too! 




________________________________
From: Jon Prestage <[email protected]>
To: [email protected]
Sent: Wednesday, January 28, 2009 10:53:40 AM
Subject: Fw: catalina27-talk: 12 Volt Batteries: Series or Parallel?


Thanks, Ted. No smoke yet. I appreciate all the advice. I've ordered Calder's 
book. Maybe it will help, too.
Jon

----- Original Message ----- 
From: Ted Perreault 
To: [email protected] 
Sent: Wednesday, January 28, 2009 9:33 AM
Subject: Re: catalina27-talk: 12 Volt Batteries: Series or Parallel?

Jon,

Folks have basically noted the great fundamental truth about electricity, 
"Electricity is smoke, don't let the smoke out of the wires or the circuit 
won't work anymore."

OK, a little humor for a serious subject, and that series/parallel thing is 
serious.

Regards,

Ted
#6015




________________________________
From: Jon Prestage <[email protected]>
To: [email protected]
Sent: Tuesday, January 27, 2009 6:18:44 PM
Subject: Fw: catalina27-talk: 12 Volt Batteries: Series or Parallel?


Thanks, David. Good advice. I'll get a copy of Calders book. I guess I've been 
lucky so far despite the stutter.
Jon
----- Original Message ----- 
From: [email protected] 
To: [email protected] 
Sent: Tuesday, January 27, 2009 6:12 PM
Subject: Re: catalina27-talk: 12 Volt Batteries: Series or Parallel?
Hi Jon;

I once had an associate at a marina where I worked who stuttered.  We later 
discovered that he was color blind, because once he was once given the 
assignment of wiring a battery charger into a sailboat.  When he finished the 
job and threw the switch we heard a BANG.  Several of us ran to the boat and 
ask what had happened to wit he replied, I think I hooked-up something wrong.  
We ask how he determined that, and he said SSSSSSMMMMMOOOOOO 
SSSSSMMMMOOOOOKE.   Needless to say, he was correct, relieved of future 
electrical installations, and chagrin.

Jon, you too need to invest in a basic electrical systems handbook, before you 
hear a bang or see smoke.

There are quite a few, but one of the best is; Nigel Calders, "Boatowner's 
Mechanical & Electrical Manual.  The $50 it will cost is a cheap investment in 
light of your potential "Band and/or Smoke."

Best of luck on future projects,

David Hoyt
Sovereignty
Catalina 27 #65

In a message dated 01/27/2009 4:26:14 P.M. Eastern Standard Time, 
[email protected] writes:
Listees,
 
I have a couple of questions. I use three 12-volt batteries in my C27 with an 
Atomic 4 configured in two banks. I use a starting battery on one bank (motor) 
and two deep cell batteries (house) in the other. Here are my questions:
 
1. I wired the two deep cells in parallel, that is positive to positive and 
negative to negative. I read somewhere that it might be better to wire the two 
in series, that is positive to negative and negative to positive. Which is best?
 
2. I've been charging the batteries by connecting a charger to one of the 
batteries, normally a deep cell, and then putting my main power switch on "All" 
and assumed this would allow all three batteries to be charged. Is this how it 
works? Should I be doing this in some other manner?
 
Jon
Boston
1858

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