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  4. Copper Welding Cable Flexible Rubber SGR Battery Cable SAE J1127 - By the Foot
Welding Cable sold by the foot
Welding Cable sold by the foot

Copper Welding Cable Flexible Rubber SGR Battery Cable SAE J1127 - By the Foot

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Select the wire size and color below and enter the quantity of feet you need and that is the length we will cut
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Part Number: RBWC
Availability: In Stock.

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SAE J1127 SGR Battery Cable / Welding Cable Dual Rated

Sold by the foot, enter the quantity of feet you need and that is the length we will cut. 
A quantity of 10 will be a 10 foot length, 25 will be a 25ft length and so on.

Premium Real Copper - Extra Flexible Stranding - Flexible Rubber Insulation

This custom manufactured cable features the benefits of durable welding cable along with SAE J1127 SBR battery cable. From the real all copper fine stranding used for the conductor to the premium EPDM rubber insulation you'll find this cable will solve your problems. This battery cable is rated from -50C to +105C and can handle up to 600 Volts so it will deliver the power you need. Our cable is Made in the USA and designed with your needs in mind to provide a long lasting cable. The rubber insulation will stay flexible in the cold weather as well which makes them ideal for jumper cables! 

BENEFITS:
  • Real Copper 100% IACS Conductivity
  • Rubber Insulation stays flexible even in cold weather
  • Temperature Rating -50C to +105C
  • Resists tears, cuts, abrasions, flame, grease, oil and water
  • Meets Article 630 NEC for electric welders
  • Meets SAE J1127 SGR Battery Cable Specifications
  • VW-1 Flame test as per UL2556
  • Suitable for battery cable per UL558 & UL583
  • Rated up to 600 Volts
  • RoHS Compliant
  • Made in the USA

Here are the dimensions of our Rubber Flex SGR Battery / Welding Cables:

Gauge    Stranding    Outside Diameter      Weight per foot LBS   
    6             260                     .308 in                .109
    4             364                     .343 in                .145
    2             624                     .418 in                .235
 1/0             975                     .533 in                .372
 2/0           1196                     .568 in                .446


For use as battery cables:
SAE J-378 Table of Allowable Amperage for conductors 50V or less with 105C rating
Gauge   Amps Outside of Engine Space     Amps Inside of Engine Space
    6                              120                                       102
    4                              160                                       136
    2                              210                                       178
   1/0                            285                                       242
   2/0                            330                                       280

For use as welding cables:
WELDING CABLE AMPACITY BASED ON DISTANCE - SIZING TABLE
AMPS100'150'200'250'300'350'400'
100442211/01/0
1504211/02/03/03/0
200211/02/03/04/04/0
25011/02/03/04/0
3001/02/03/04/0
3501/03/04/0
4002/03/0
4502/04/0
5003/04/0
5503/04/0
6004/0Required Cable Sizes Show in Gauge Numbers
*The total circuit length includes both welding and grounds leads (based on 4-volt drop) 60% duty cycle.
These values for current-carrying capacity are based on a copper temperature of 60°C (140°F), an ambient temperature of 40°C (104°F) and yield load factors from approximately 32% for the 2 AWG cable to approximately 23% for the 3/0 AWG cable. In actual service, the load factor may be much higher than indicated without overheating the cable as the ambient temperature will generally be substantially lower than -40°C.

Now, a little education on why our REAL COPPER cable is better than CCA (copper clad aluminum):

It's important to understand that our cables are REAL COPPER and they will handle more current (amps) than CCA (copper clad aluminum) cable in the same size. Many products on the market use CCA instead of real copper and most people just don't know the difference so here you go:
  1. Our copper cable is rated to 100% conductivity vs 61% for Copper Clad Aluminum (CCA) meaning you need 2 sizes larger for a CCA cable than you would if you used real copper. 
  2. Copper is flexible and doesn't break easily but Copper Clad Aluminum (CCA) expands and contracts nearly 1/3 more than copper from heat. Add to that the fact that aluminum has around 37% of the tensile strength of copper and you have the potential for breaking strands and loosening connections...something you shouldn't mess with in high amperage DC Voltage applications!
  3. Copper Clad Aluminum was designed for AC voltage use especially in high frequencies like those found in signalling and telecommunications as AC current travels on the outside of the conductor so aluminum inside and copper outside meant an overall lighter weight and lower cost wire...but there is not a single benefit in DC voltage! It's a sad abuse by manufacturers to sell low quality cable dressed up as copper to unsuspecting buyers.
So now you know why our REAL COPPER cables are superior! Share this info with family and friends and BE SAFE!

Use REAL COPPER...like the soft annealed copper which makes up our durable and flexible multi-rated battery and welding cable. 

Feel free to ask us any questions about our cable and we'll gladly answer them.

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