Yeah, you're right, I finally noticed that about an hour ago. Its quadruple zero, and not merely singular-four. 

They have a gray heavy duty switch that rates at 600 amps too, but the wire specified is the same.

From: David Beierl <dbeierl@attglobal.net>
To: "M'obeechi" <obeechi@runbox.com>
Subject: Re: Voltage Drop, 4 feet extra, 4 gauge wire

> At 12:45 AM 12/10/2008, M'obeechi wrote:
> >sounding like 2 guage wires, I assume (naively) that running two 4 
> >gauge is the same as running one 2 gauge. Only thing is, those 
> >battery selectors are meant for 4 gauge.
> 
> Actually two #4 is almost the size of a single #1.  However, the 
> battery switches you're looking at aren't specifying #4 cable -- 
> they're specifying 4/0 cable to meet the same spec as the switch (350 
> amps continuous).  That's about the same as five #4s.
> 
> 
> -- 
> David Beierl - Providence RI USA -- http://pws.prserv.net/synergy/Vanagon/
> '84 Westy "Dutiful Passage," '85 GL "Poor Relation" 
> 
> 

----- End Original Message -----

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