You mean they're their tie-dyed.
Dewey

-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Steve Gregory
Sent: Tuesday, June 09, 2009 6:40 AM
To: [log in to unmask]
Subject: Re: [TN] Green Junk in Wire

Nope, they're just tie-wrapped at intervals...

Steve 

-----Original Message-----
From: Randall L Bock [mailto:[log in to unmask]] 
Sent: Tuesday, June 09, 2009 8:37 AM
To: TechNet E-Mail Forum; Steve Gregory
Subject: RE: [TN] Green Junk in Wire

Steve,

Are these jacketed harnesses??  (Zipper)

-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Steve Gregory
Sent: Tuesday, June 09, 2009 9:35 AM
To: [log in to unmask]
Subject: [TN] Green Junk in Wire

Good Morning!
 
We've just had something come-up that really has a few of us scratching
our heads around here.
 
To preface this; we have a mechanical assembly building where we put
cabinents and boxes together plus do some cable and harness assembly.
Yesterday one of engineers called me and said that they were seeing some
green stuff on some of the cables that we've built and said that I
should come and take a look at it. While I was walking over to the other
building it was thinking to myself; "I hope that somebody didn't get a
hold of the wrong flux or something...".
 
When I got there, I was really suprised at what I saw:
 
http://stevezeva.homestead.com/files/Green_Junk_1.jpg
 
http://stevezeva.homestead.com/files/Green_Junk_2.jpg
 
http://stevezeva.homestead.com/files/Green_Junk_3.jpg
 
http://stevezeva.homestead.com/files/Green_Junk_Close.jpg
 
The photos that you see come from a cable assembly that is about 3-feet
long, and we're seeing it on cable assemblies that are longer. The wire
in the assembly is a PTFE insulated single conductor shielded and
jacketed cable. The conductor and shield is silver plated OFHC copper.
The photos are taken from a section in the middle of the wire well away
from any area that soldering has been done. The shields of all the wires
in the bundle get soldered together at each end using a ORL0 wire solder
and flux. The green substance appears throughout the wires. In "Green
Junk 3", you can see how the green is with a group of the strands of the
braided shield and how it spirals around the wire.
 
It goes without saying that I'm contacting the wire manufacturer, and
I'm sending out a cable assembly for analysis. But have any of you ever
seen this before?
 
Steve

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