Flexible Cables: Important Safety Issue [RE-wrenches]

[Ray Walters]

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>Yet I often walk away from a job thinking that maybe I should have added
>solder to the lug, to make it a permanent connection.
>
>
>Kurt Nelson

Just so Ya'll know, I cut open one of those spendy Trace inverter cables 
that is totally UL etc.. It is only crimped. After that I have never given 
a second thought about soldering again. Don't lose sleep Kurt.
Also, I actually don't like the very fine stranded cables: welding cable, 
Cobra, etc. Those little hairs going everywhere, and the crimps always look 
like they're crushing down too far. On the coarse side, obviously THHN is 
too stiff.
I use (oh my god don't tell JW) I use SAE rated "Battery" cable from DC 
wire. Its just the right combo of flex and coarse enough to work well in 
the screw type lugs. Inspectors here have never questioned it. Who knows 
battery cable better than the Society of Automotive Engineers?  JW, NEC, 
UL, I don't think so.  And to get down to actual strand count, this SAE 
stuff is 133 strands for 2/0, 418 strands for 4/0. Just about perfect IMHO. 
BTW, when I order industrial 2 volt batteries, they come with this same 
cable and the inspector can't argue with the manufacturer. Oh, but none of 
the batteries are UL listed, so we're all screwed if the inspector wants to 
get tough anyway.

Ray 

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