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04-16-2014, 06:33 AM
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#1
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Guru
Join Date: Apr 2009
Posts: 1,920
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Solder or Crimp
Should I solder or crimp this 2 AWG wire to the ring connector?
I have a total of 14 with 2 AWG wire to do. I'm installing a 100 amp battery charger.
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Tim
Tampa Bay
Carver 355 ACMY Twin Cummins Diesels Sold
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04-16-2014, 06:36 AM
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#2
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Dauntless Award
City: Wrangell, Alaska
Vessel Name: Dauntless
Vessel Model: Kadey Krogen 42 - 148
Join Date: Jan 2013
Posts: 2,820
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we just did this just yesterday. We crimped.
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04-16-2014, 06:40 AM
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#3
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Guru
City: Cape May, NJ
Vessel Name: Irish Lady
Vessel Model: Monk 36
Join Date: Dec 2007
Posts: 4,966
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Proper crimp and adhesive lined heat shrink.
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Archie
Irish Lady
1984 Monk 36 Hull #46
Currently in Cape May, NJ
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04-16-2014, 06:43 AM
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#4
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Guru
Join Date: Apr 2009
Posts: 1,920
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Where can I get a crimping tool for #2 AWG. Looking for one locally.
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Tim
Tampa Bay
Carver 355 ACMY Twin Cummins Diesels Sold
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04-16-2014, 07:01 AM
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#5
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Guru
City: Cape May, NJ
Vessel Name: Irish Lady
Vessel Model: Monk 36
Join Date: Dec 2007
Posts: 4,966
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Quote:
Originally Posted by timjet
Where can I get a crimping tool for #2 AWG. Looking for one locally.
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I bought one of these from GenuineDealz. Great range of lug sizes.
Heavy Duty Crimping Tool for Battery Lugs & Terminals 6 AWG - 250 MCM Genuinedealz.com
~$250
If you think you will do other large wiring jobs, it's worth it.
We used to use a hammer style crimper and it was hard work to make the job decent quality.
__________________
Archie
Irish Lady
1984 Monk 36 Hull #46
Currently in Cape May, NJ
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04-16-2014, 07:09 AM
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#6
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Enigma
City: Slicker?
Join Date: Oct 2007
Posts: 16,566
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Greetings,
Mr. t. I was going to suggest crimp AND solder but upon reflection, a good crimp should do fine. Addition of a conductive anti-corrosive paste/grease before crimping may be an advantage as well.
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RTF
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04-16-2014, 07:36 AM
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#7
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Veteran Member
City: Hilton Head, SC
Vessel Name: Irie Daze
Vessel Model: Albin 43 Sundeck
Join Date: Mar 2014
Posts: 62
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Crimp
That lug is designed for a mechanical crimp. Go to Home Depot and buy a bottle of NOLOX, which is an electrical anti oxidant to put on wire prior to crimp. They sell it in the electrical department. Make sure the wire is stripped to no more than what bare wire can fit into the lug. Be careful when stripping the wire to make sure you do not damage the outer wire strands. I use a box knife for wire this size to ensure that I just cut the insulation and do not cut into the wire. Not so sure about the heat shrink wrap as it makes corrosion and oxidation hard to see and correct if it develops.
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04-16-2014, 07:37 AM
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#8
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Guru
Join Date: Apr 2009
Posts: 1,920
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Don't want to spend $250 for 14 crimps, maybe I can find a local guy that can do it.
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Tim
Tampa Bay
Carver 355 ACMY Twin Cummins Diesels Sold
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04-16-2014, 07:48 AM
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#9
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Guru
City: Ft Pierce
Vessel Name: Sold
Vessel Model: Was an Albin/PSN 40
Join Date: Oct 2011
Posts: 28,154
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If you dry fit them all...take them to West Marine...they have always let me crimp..I usually buy a box of the same lugs to keep'em happy.
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04-16-2014, 07:48 AM
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#10
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Senior Member
City: Hampton Bays, N.Y.
Vessel Name: Grand Yankee
Vessel Model: 1981 49' Grand Banks Classic
Join Date: Oct 2007
Posts: 328
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You can use the tool at West Marine. I have gone in many times and used their unit then cleaned up my waste.
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04-16-2014, 07:55 AM
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#11
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Senior Member
City: Victoria BC
Vessel Name: LUCKY US
Vessel Model: American Tug
Join Date: Mar 2013
Posts: 267
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04-16-2014, 08:02 AM
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#12
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Guru
Join Date: Apr 2009
Posts: 1,920
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Called my mechanic, he's going to let me use his.
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Tim
Tampa Bay
Carver 355 ACMY Twin Cummins Diesels Sold
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04-16-2014, 08:13 AM
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#13
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Guru
City: North Carolina for now
Join Date: Aug 2011
Posts: 6,348
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If you have one nearby, a good battery or alternator shop can make them up for you. Many NAPA stores provide this service too. You can bring your own lugs and heat shrink if you already have them.
The ABYC rules on soldering are:
"11.16.3.7. Solder shall not be the sole means of mechanical connection in any circuit. If soldered, the connection shall be so located or supported as to minimize flexing of the conductor where the solder changes the flexible conductor into a solid conductor.
EXCEPTION: Battery lugs with a solder contact length of not less than 1.5 times the diameter of the conductor.
NOTE: When a stranded conductor is soldered, the soldered portion of the conductor becomes a solid strand conductor, and flexing can cause the conductor to break at the end of the solder joint unless adequate additional support is provided."
I used the little drop-in solder pellets once for a cable I did not have a crimper for and which could not be pulled out easily to take to a shop. Not to mention it was in a place where it would have been almost impossible to get the right sized crimper in there.
Search results for: 'solder pellets' Genuinedealz.com
Worked out fine as I had plenty of slack and clamps to meet the ABYC requirement. Only did this as a last resort though.
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George
"There's the Right Way, the Wrong Way, and what some guy says he's gotten away with"
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04-16-2014, 08:47 AM
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#14
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Guru
City: Walnut Grove Ca
Vessel Name: Cary'D Away
Vessel Model: Hatteras 48 LRC
Join Date: Apr 2012
Posts: 887
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Me too
Quote:
Originally Posted by jukesy
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I solder and crimp while hot. It's best done with two sets of hands.
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04-16-2014, 09:27 AM
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#15
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Guru
City: North Charleston, SC
Join Date: Sep 2010
Posts: 4,871
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Quote:
Originally Posted by Scary
I solder and crimp while hot. It's best done with two sets of hands.
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That is going to leave you with what is called a "cold solder joint". It looks like it's soldered but it's not because you moved the metal before the solder solidified.
If you properly crimp a connection, there is no need to also solder it and in fact, if it's properly crimped, the joint is air tight and there's no place for solder to flow.
If you think you need to do both, crimp it, then add solder. It really doesn't add anything though.
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04-16-2014, 09:42 AM
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#16
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Technical Guru
City: Wilmington, NC
Vessel Name: Louisa
Vessel Model: Custom Built 38
Join Date: Jan 2014
Posts: 6,194
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I bought a crimp tool for about 35bucks that you use a hammer to operate. Nice for getting in tight areas. Search for crimp tool + hammer and you should find it. I have used it exclusively for thousands of large crimps with no problems. For little ones (10ga and under) I use the little hand held crimpers.
If you can't find one, I can post a photo of it and get mfr info.
I heat shrink large crimps (batt cables, thruster, charger, bonding, etc), but don't bother with little ones.
I don't bother soldering, like others posted it makes the joint rigid.
Tinned marine wire and marine lugs seems to be plenty corrosion resistant unless actually getting wet.
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04-16-2014, 09:49 AM
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#17
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Moderator Emeritus
City: St. Marks, Florida
Vessel Name: Morgan
Vessel Model: Gulfstar 36
Join Date: Sep 2012
Posts: 3,673
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Quote:
Originally Posted by Ski in NC
I bought a crimp tool for about 35bucks that you use a hammer to operate. Nice for getting in tight areas. Search for crimp tool + hammer and you should find it.
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One on Amazon for about $17 or so.
NOCO D800 Blue Hammer Indent Crimping Tool
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John
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04-16-2014, 09:52 AM
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#18
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Enigma
City: Slicker?
Join Date: Oct 2007
Posts: 16,566
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Greetings,
Mr. rw. Please correct me if I'm wrong but I always thought a cold solder joint occurred when the pieces were moved during or in the latter stages of solidification.
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RTF
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04-16-2014, 09:53 AM
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#19
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Guru
Join Date: Jun 2008
Posts: 5,037
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I use this that I bought from Defender
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Jay Leonard
Ex boats: 1983 40 Albin trunk cabin, 1978 Mainship 34 Model 1
New Port Richey, Fl
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04-16-2014, 10:09 AM
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#20
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TF Site Team
City: California Delta
Vessel Name: FlyWright
Vessel Model: 1977 Marshall Californian 34 LRC
Join Date: Apr 2008
Posts: 13,728
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