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Unread 02-06-2014, 11:31 AM   #1
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Default Welding cables vrs regular cables

Is it worth the extra cost to get the finer stranded wire over the regular battery cable type? I know finer strands can carry more current than the larger diameter strands that isn't in question but any issues with the stiff cables over the easier to route finer stranded cables, the cost is considerable.
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Unread 02-06-2014, 11:41 AM   #2
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Default Re: Welding cables vrs regular cables

There is no current carrying advantage in the finer strands, that only happens in high frequency.
As long as the cable is not too stiff where it will put stress on the battery posts, solenoid post, etc, it will work the same as welding cables.
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Unread 02-06-2014, 12:36 PM   #3
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Default Re: Welding cables vrs regular cables

Your right I was thinking open air capacity. It does look tight under there so maybe that is why the welding cables are mentioned.
Thanks for the info.
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Unread 02-06-2014, 01:50 PM   #4
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Default Re: Welding cables vrs regular cables

Finer strands make the cable more flexible. Good for welding cable. Not necessary but ok for cart use.
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Unread 02-07-2014, 05:39 AM   #5
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Default Re: Welding cables vrs regular cables

I got mine at Handyman Hardware in New Iberia, off of Lewis Street.
I bought 12ft of #4 welding cable, 12 connectors and got the Shrink tube at Ralphs

Took me about 30 minutes to build every cable and cost under $30
Just use a vise and a propane torch to heat the fittings until it melts the solder. Be sure the fitting and cable is clean, have the cable inside the fitting before you heat it and fill it with solder til it is full, allow them to cool, put the heat shrink tube over the fittings and heat it slightly until it shrinks tightly around the fitting and wire to form a tight seal.

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Unread 02-07-2014, 08:30 AM   #6
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Default Re: Welding cables vrs regular cables

Hey Dale I was thinking of that, I wasn't sure how much I needed but is has to be much cheaper than 250$ online at some of these places. My brother-in law wants to do his also so we may just get enough to do both at the same time.

Thanks for the info.


Quote:
Originally Posted by Dale-D View Post
I got mine at Handyman Hardware in New Iberia, off of Lewis Street.
I bought 12ft of #4 welding cable, 12 connectors and got the Shrink tube at Ralphs

Took me about 30 minutes to build every cable and cost under $30
Just use a vise and a propane torch to heat the fittings until it melts the solder. Be sure the fitting and cable is clean, have the cable inside the fitting before you heat it and fill it with solder til it is full, allow them to cool, put the heat shrink tube over the fittings and heat it slightly until it shrinks tightly around the fitting and wire to form a tight seal.

Dale D
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Unread 02-07-2014, 09:14 AM   #7
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Default Re: Welding cables vrs regular cables

You're welcome
I think I got about 20 connectors
I don't rememmber for sure, just count the wires you need to make and double that for the connectors
Get with Scottyb about the Bolt-Thru connector
Use 2 wrenches where ever there is a nut top & bottom
DO NOT LET THEM TURN or you will screw up the connection on the other side of that fitting. Be especially careful on the motor part.............

PS: I did mine and I did NOT notice any difference at all, not in speed or torque
I am running a Electrical Motor Products Hi Speed replacement motor on my cart

Where do you work

I am a contract Petro Engineer ( Contract Company Man )

Dale D

Last edited by Dale-D; 02-07-2014 at 09:17 AM.. Reason: left something out
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Unread 02-07-2014, 10:29 AM   #8
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Default Re: Welding cables vrs regular cables

Keystone Engineering out of Lafayette, I'm an Industrial Electrical designer. So the electrical part is fun




Quote:
Originally Posted by Dale-D View Post
You're welcome
I think I got about 20 connectors
I don't rememmber for sure, just count the wires you need to make and double that for the connectors
Get with Scottyb about the Bolt-Thru connector
Use 2 wrenches where ever there is a nut top & bottom
DO NOT LET THEM TURN or you will screw up the connection on the other side of that fitting. Be especially careful on the motor part.............

PS: I did mine and I did NOT notice any difference at all, not in speed or torque
I am running a Electrical Motor Products Hi Speed replacement motor on my cart

Where do you work

I am a contract Petro Engineer ( Contract Company Man )

Dale D
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Unread 02-07-2014, 01:02 PM   #9
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Default Re: Welding cables vrs regular cables

acquired this from other posts.

Although the resistance of the cables seems tiny (#6 = 0.00047 ohms/ft vs. #2 = 0.00015 ohms/ft), the voltage drop is significant when large currents are present, which will reduce performance. So for the high power motor, which use big amps from quick standing starts or more continuous energy when climbing hills, use large diameter cables and keep them as short as possible in in order to enhance performance. If your cables are warm after a typical 'run', they are telling you a larger cable will be a good idea, unless they are heating-up from a poor contact/connection. Change all cables to-and-from FNR, motor, solenoid, controller and batteries for optimum results. Also make sure your cable connectors match-up in size for proper connection to cables and battery posts.
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Unread 02-07-2014, 11:32 PM   #10
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Default Re: Welding cables vrs regular cables

Quote:
Originally Posted by scooterman View Post
Keystone Engineering out of Lafayette, I'm an Industrial Electrical designer. So the electrical part is fun
Keystone sounds familiar. You don't happen to work on power plant turbine generators do you?
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