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Kas
Deckhand

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USA
16 Posts

Initially Posted - 08/19/2004 : 21:59:04

I did a search on marine wiring and found some very good resources. However, I don't know what a 'swaged lead lug' or where to buy one at.

<blockquote id="quote"><font size="1" face="Verdana, Arial, Helvetica" id="quote">quote:<hr height="1" noshade id="quote">Your starting motor cables should be attached only with swaged lead lugs, not the ring terminal kind smashed with a hammer to make the connection.<hr height="1" noshade id="quote"></blockquote id="quote"></font id="quote">

Thanks for your help!! You guys are the best!

Kelly
Adventurous #5553
1987 C25 SR/SK2WK

Edited by - on

Bill Holcomb
Admiral

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USA
769 Posts

Response Posted - 08/20/2004 : 09:27:39

Hi Kelly,

Swaged lead lugs refer to the terminal ends on the battery cables that connect the engine to the battery. Swaging is the method of fastening the terminal end (the lug) to the cable. You probably have swaged terminals on your shrouds and stays as that is how the standing rigging came from the factory. The terminal is fastened to the cable by a swaging tool that applies even pressure all around the terminal. Other less effective methods of fastening the terminals might include simply hitting the terminal with a hammer to crimp the end - or to use a crimping tool that applies pressure on opposite sides of the terminal rather than all around it.

With the swaged method you get full contact between the cable and the terminal (nearly as good as soldering the terminal to the cable) for better current flow. With the crimp or hammer method there is the potential of having only partial contact.

In a marine environment - especially in salt water - you should use tinned wire and waterproof the terminal ends so that moisture doesn't get into the wire under the insulation sleeve.

Bill Holcomb - C25 Snickerdoodle #4839

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Leon Sisson
Master Marine Consultant

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USA
1893 Posts

Response Posted - 08/21/2004 : 00:33:37

Kelly

Here's how I made up my heavy gauge battery cable terminations. I used fully tinned marine grade cable and ring terminals. To get the swaged style crimp, I used a Nicopress tool. After crimping, I then saturated the crimped junction with solder. (Planning ahead, I added a drop or two of liquid electrical soldering flux inside the terminal before squishing it with the Nicopress tool.) After the solder cooled, I washed off the flux with straight alcohol, a toothbrush, and cottom swabs. Then I applied a couple long layers of heat shrink tube. I don't expect the resulting joint to develop corrosion any time soon!

-- Leon Sisson

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The Officers, Staff and members of this site only provide information based upon the concept that anyone utilizing this information does so at their own risk and holds harmless all contributors to this site.