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R22RumRunner at aol.com



OB Motors ( for Rummy)

2010-06-21; 11:46:06 EDT

Member Since

2002-09-17

Posts: 4946

Mike,
I think he was referring to the wing nuts on the battery.....at least I  
hope he was.
 
Rummy
 
 
In a message dated 6/21/2010 8:42:05 A.M. Eastern Daylight Time,  
mweisner at ebsmed.com writes:

Strictly  speaking, wire nuts are not a good choice in a marine environment 
since  they do not form a gas-tight joint.  You should use solder or 
crimped  
butt joints for more trouble free permanent wiring solutions.  If you  wish 
to use wire nuts, simply make them gas-tight by adding a dielectric  grease 
to block corrosion during assembly of the joint.  Loctite  makes a good 
quality grease which is available just about everywhere (MSC  Direct is a 
great source for this, stainless fasteners, tubing,  etc,):
http://www1.mscdirect.com/CGI/NNSRIT?PMPXNO=3108381&PMT4NO=87953202

If  you are in a salt environment, stay away from the conductive 
"passivated"  
greases (zinc or copper added) as they have been thought to cause some  
galvanic activity that can degrade the wire joint.  They're also a  bit 
more 
costly.

If you want to try an old solution for the  corrosion that usually works, 
just paint some Vasoline around the joint to  block corrosive vapors.  It 
may 
not be hi-tech but it has worked well  for years.

Make sure that the wires are real clean before joining, use  a NEW wire nut 
and paint some grease on for protection and your joints  should last 
several 
seasons without trouble.

Mike
s/v Shanghai'd  Summer ('81)
Nissequogue River, NY


From:  <R22RumRunner at aol.com> Monday, June 21, 2010 7:07 AM
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