3/0 Gauge AWG 5 Ft Red Flexible Pure Copper Welding Cable - Heavy Duty

In this review of the TEMCo 3/0 gauge 5 ft red welding cable, the bottom line is simple: this is a heavy duty, highly flexible copper lead built for those who need reliable power delivery in demanding environments. The reviewer found it best for installers and DIYers who use battery banks, winches, solar DC runs or welding leads where high strand count and a rugged jacket matter. The cable's annealed OFC conductor and EPDM jacket make the single biggest case to buy: a durable, flexible power cable that resists cuts, oil and heat while keeping good conductivity.

Key Features

• 380 Max Amps: Delivers up to 380 A for runs up to 50 ft, making it suitable for many welding and high-current battery applications.
• Rated 600 volts: The cable is insulated and rated to 600 V, so it fits a wide range of DC and low-voltage systems safely.
• Wide temperature range: Operates from -58F to +221F, so it holds flexibility and performance in cold starts and hot environments.
• Annealed 30 gauge OFC conductor: The oxygen-free copper with 1547/30 stranding provides excellent conductivity and flexibility compared with fewer-strand cables.
• Rugged EPDM jacket: The jacket resists cuts, tears, abrasion, water, oil, grease and flame, extending service life in workshop and outdoor use.
• Versatile applications: Works for welding leads, battery and starter cables, car audio, solar arrays, RV DC systems and winch power leads.

Who It's For

This cable is aimed at mechanics, fabricators, solar installers and van/RV converters who need a flexible, high-strand-count copper lead for battery banks, starter circuits and welding leads. It is especially useful when runs are short to medium and flexibility through tight routing is required.

It is less suited to users who need longer runs beyond the stated amp guidance without upsizing cable or those who require molded terminals or pre-terminated assemblies; buy separately if you need lugs or custom lengths beyond 5 ft.

Pros & Cons

Pros

• Actual high-strand OFC conductor gives excellent flexibility and low resistance for high-current use.
• EPDM jacket stands up to oil, abrasion and heat, which helps in workshop and vehicle installations.
• Rated to 600 V and a wide temperature range makes it reliable in varied conditions.

Cons

• Sold as a 5 ft length without terminals, so buyers needing ends fitted must add lugs or connectors themselves.
• At heavy loading and longer runs, larger gauge may be required to prevent voltage drop.

Specifications

Gauge	3/0 AWG
Length	5 ft
Max current	380 Max Amps (up to 50 ft)
Voltage rating	Rated up to 600 volts
Temperature range	-58F to +221F (-50C to +105C)
Conductor	Annealed 30 gauge OFC, 1547/30 stranding
Nominal OD	0.621 in (15.77 mm)

Our Verdict

The TEMCo 3/0 gauge 5 ft welding cable is a sensible, value-focused choice for anyone needing a short, flexible, heavy duty copper lead. Its OFC stranding and EPDM jacket give reliable conductivity and durability for welding, battery, solar and vehicle use; just plan for terminal lugs if you need ready-made connectors. For the price it is a practical, long-lasting utility cable.

Frequently Asked Questions

Can this cable be used as a battery starter cable?
Yes, the annealed OFC conductor and 380 A guidance make it suitable for battery and starter cable use in cars, trucks and diesel applications.

Is the jacket oil and abrasion resistant?
Yes, the EPDM jacket is designed to resist cuts, tears, abrasion, water, oil and grease for workshop and outdoor durability.

Does it come with terminals attached?
No, the product is sold as a bare 5 ft cable; buyers should fit their own lugs or connectors for a finished installation.