2 Gauge 125 Ft Black Flexible Pure Copper Welding Cable - Heavy Duty

In this review of the TEMCo 2 gauge 125 ft welding cable, the bottom line is simple: anyone needing a long, flexible, heavy duty cable for battery, solar, or welding use will appreciate its combination of pure copper conductor and rugged EPDM jacket. The reviewer found the cable especially useful where flexibility and durability matter, such as routing through engine bays or tight spaces in RV and solar installs. It performs as a dependable power lead and is rated for high temperature and voltage ranges, making it a practical all-purpose DC cable option.

Key Features

• High current capacity: Rated to carry up to 205 amps (for runs up to 50 ft), making it suitable for heavy battery and winch applications.
• Durable insulation: The EPDM jacket resists cuts, tears, abrasion, water, oil, grease and flame for longer life in harsh environments.
• Flexible conductor: Annealed 30 gauge oxygen free copper with 624/30 stranding keeps the cable pliable for tight bends and easy routing.
• Wide temperature range: Rated from -58F to +221F, so it withstands extreme cold and engine-bay heat without hardening or cracking.
• Voltage rating: Built for up to 600 volts, allowing safe use across many DC systems including solar and inverter setups.

Who It's For

This cable is aimed at DIYers and pros who need a flexible, durable battery or welding lead for installations in cars, trucks, RVs, vans, solar arrays and small welding rigs. It is particularly well suited for projects that demand routing through cramped spaces or exposure to oil and heat, where a standard stiff cable would be difficult to manage.

Those who should look elsewhere include users seeking extremely long runs where ampacity needs recalculation beyond 50 ft, or anyone requiring specialized insulating materials beyond EPDM for unique chemical exposures. For light, low-current electronics work, a smaller gauge cable will be more economical.

Pros & Cons

Pros

• Pure oxygen free copper conductor provides reliable conductivity and longevity in battery and audio systems.
• Highly flexible construction makes installation in tight or moving spaces straightforward.
• Rugged EPDM jacket resists common shop and vehicle hazards like oil and abrasion.

Cons

• Ampacity limits are cited for runs up to 50 ft, so longer runs will need derating or larger gauge cable.

Specifications

Length	125 ft
Gauge	2 AWG
Conductor	Annealed OFC, 624/30 strands
Outer diameter	0.413 in (10.49 mm) nominal
Max amps	205 amps (up to 50 ft)
Voltage rating	Up to 600 volts
Temperature range	-58F to +221F (-50C to +105C)

Our Verdict

For anyone who needs a robust, flexible power cable for battery banks, solar arrays, car audio, or light welding, this 2 gauge 125 ft cable is a solid value; its pure copper conductor and EPDM jacket deliver durability and ease of routing in demanding installs. It is cost effective and versatile, but buyers should check ampacity for long runs beyond 50 ft and choose a larger gauge if necessary.

Frequently Asked Questions

Can this cable be used for solar array wiring?
Yes, it is rated to 600 volts and the flexible OFC conductor makes it suitable for many solar DC runs, assuming ampacity and run length are appropriate.

Is the insulation heat resistant for engine bay use?
Yes, the EPDM jacket is rated to +221F and customers report it holds up well to engine bay heat and exposure to oil and grease.

Is the copper conductor tinned?
No, the conductor is specified as annealed oxygen free copper (OFC), not tinned, which offers excellent conductivity for battery and audio applications.