Flex-A-Prene®

Industrial Welding Cable

Direct’s Flex-A-Prene® is the industry’s most recognized brand name of industrial welding cable. Highly durable and versatile, the cable is designed for use in stingers/whips, leads, and ground clamp welding assemblies as well as battery applications such as chargers and wire harnesses. Flex-A-Prene is SAE J1127 (#6 to 250 MCM) and RoHS compliant and manufactured in the USA.

  • Rope-lay, bunch-stranded 30 AWG SAE copper conductor
  • Wrapped paper separator
  • Jacketed with proprietary LSHF EPDM compound

Specifications

Conductors
  • Rope-lay, bunch-stranded 30 AWG SAE copper conductor
Voltage Rating
  • 600 V
Separator
  • Wrapped paper separator
Insulation & Jacket
  • Jacketed with proprietary low-smoke, halogen-free EPDM compound
Resistance Properties
  • Resistant to abrasion, battery acid, diesel fuel, engine coolant, engine oil, ethanol, extreme temperatures, flame, gasoline, power-steering fluid, and transmission fluid
Temperature Range
  • -50°C (-58°F) to 105°C (221°F)
Industry Approvals
  • SAE J1127 Compliant (#6 to 250 MCM)
  • NEC Article 630 (Electric Welders)
  • Suitable for battery use per UL 558 and 583
  • REACH, RoHS, CMRT, and Prop 65 Compliant
Available Lengths
  • Coils/Assemblies at 25’, 50’, 100’, and 250’
  • Reels at 500', 1,000', and 2,500'
  • Custom lengths available upon request
Cable SizeStranding GaugeConductor
Stranding
Insulation Thickness
(Nominal)
Outside Diameter
(Nominal)
Cable Weight
(per 1,000')
AWG or MCMininlbs
#830182.060.28080
#630260.060.308108
#430364.060.343147
#230624.060.428238
#130767.080.488299
1/030975.080.533369
2/0301,196.080.568443
3/0301,547.080.618556
4/0301,950.080.688696
250 MCM302,432.095.806900
350 MCM303,330.095.9081,203
500 MCM304,847.0951.0541,884
4/0 HD301,950.167.860810
NOTE 1: SAE J1127 standard does not apply to #8 AWG, 350 MCM, 500 MCM, and 4/0 HD.

SUGGESTED IN-LINE AMPACITY FOR WELDING CABLE

 50'75'100'125'150'175'200'225'250'275'300'325'350'
AMPs
AWG or MCM
100#4#2#2#1#11/02/02/03/03/03/04/04/0
150#2#2#11/02/03/03/04/04/0250250250350
200#2#12/03/03/04/04/0250350350350350
250#11/03/04/04/0250350350350
300#12/03/04/0250350350350
3501/03/04/0250350350
4002/03/0250350350
4502/04/0250350350
5003/04/0350350
5504/0250350
6004/0250350
NOTE 1: For reference only. Due to variables within welding applications, it is recommended the user consult an electrical engineer for a particular welding application.
NOTE 2: Distance from power source (per lead).
Jacket Colors
  • Black (Standard) Blue Green Red Yellow Orange
  • Custom striping available upon request
  • Custom colors available upon request
Marking Options
  • Quick Print®
  • Surface Print
  • Indent Print
  • Logo / Icons / Branding
  • Sequential Marking