Flexible Cables: Important Safety Issue [RE-wrenches]

[Wally Stahle]

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----- Original Message -----
From: "Christopher Freitas --- OutBack Power"

> so we decided to go to the stud type terminals on all of the
>OutBack products where possible.

Christopher,
What are the dynamics of the current in a nice big 4/0 cable getting from
the CU and terminal flag, through the washer and the relative bottleneck of
the surface area of the nut on both sides of the terminal flag?
I realise it is a short distance but is there a voltage drop or heating when
the rated capacity (x 80%) is maintained? Then add that to cable length.
 Has that been looked at by those whose job it is to spec that method?
Is there literature to that effect?
Is it a mute point because the length of the reduction is so small?
Some of the DC CBs  strike me as having very small studs relative to
ampacity. Certain manus. I believe.
Just Pondering

Wallace Stahle
Future Electric Energy Co
P O Box 236
Willits, CA 95490
707-459-0474

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