12/3 SJOOW Wire 200FT 12 AWG 300V SJOOW Cable - Heavy-Duty Portable

In this review of the 12/3 SJOOW Wire 200FT, the bottom line is simple: this heavy-duty portable cable is meant for professionals and serious DIYers who need a rugged, weather-resistant cord for power distribution. The reviewer found the single biggest reason to buy is its durable construction and OFC conductors, which translate to dependable conductivity and heat dissipation when used with generators, welders, motors, or temporary power setups. For anyone running power in harsh environments, this cable is engineered to last.

Key Features

• Built for Extreme Conditions: The oil, water, and acid-resistant PVC jacket protects the cable in industrial and outdoor settings from harsh exposure.
• Wide Temperature Range: Rated to operate from -40C to 90C, the cord handles cold starts and hot working conditions without losing integrity.
• Superior OFC Conductors: Each of the three 12 AWG conductors uses 72 finely stranded oxygen-free copper strands to improve conductivity and reduce corrosion risk.
• Robust Insulation: Individual conductors have 0.45 mm PVC insulation and the overall jacket is 0.9 mm thick, adding mechanical protection for portable and heavy-duty use.
• Versatile Applications: The cable suits power/control circuits, portable tools, lighting, marine use, generators, and motor leads for demanding jobs.
• Long Length: A single 200 ft reel reduces the need for splices and extensions on larger job sites or event setups.

Who It's For

This cable is best for contractors, rental crews, festival and event technicians, and boat operators who require a durable 12 AWG SJOOW cord for repeated outdoor or industrial use. It is particularly useful when connecting portable generators, running temporary lighting, or powering motors where a long, flexible, weather-resistant cable is needed.

It is not ideal for installations that require a separate grounding conductor or permanent in-wall wiring; electricians working on fixed building wiring or those needing a 3+1 grounded cable should choose a cable designed for that specific purpose.

Pros & Cons

Pros

• Durable PVC jacket resists oil, water, and acid for reliable outdoor and industrial performance.
• Oxygen-free copper, finely stranded conductors provide improved conductivity and heat dissipation.
• 200 ft length and flexible construction reduce the need for additional joins on jobsites.
• Wide temperature rating supports use in extreme cold and heat.

Cons

• Contains only three current-carrying conductors and does not include a separate grounding wire, so it is not a 3+1 ground-capable cable.
• At 9.2 mm diameter and heavy construction, it can be stiffer than lighter temporary cords for tight routing.

Specifications

Type	12/3 SJOOW portable cable
Length	200 ft
Conductor	12 AWG, 3 conductors, 72-strand Oxygen-Free Copper
Voltage Rating	300V
Temperature Range	-40C to 90C
Overall Jacket Thickness	0.9 mm PVC
Approx. Diameter	9.2 mm

Our Verdict

The 12/3 SJOOW 200 ft cable is a smart purchase for users who need a long, heavy-duty portable cord that stands up to oil, water, and temperature extremes. Its OFC stranded conductors and robust jacket make it strong value for contractors, events crews, and marine operators, provided a separate ground conductor is not required for the intended application.

Frequently Asked Questions

Does this cable include a separate grounding conductor?
No. This product contains three current-carrying conductors only and does not include a separate grounding wire.

Is the jacket resistant to oils and chemicals?
Yes. The PVC jacket is specified as oil, water, and acid-resistant for harsh environments.

Can it be used with generators and welders?
Yes. It is intended for portable power uses like generators, welders, motors, and temporary site equipment.