12/4 SJOOW Wire 100FT 12 AWG 300V SJOOW Cable - Heavy-Duty Power Cord

In this review the 12/4 SJOOW Wire 100FT stands out as a purpose-built heavy-duty cord for professionals and hobbyists who need a reliable portable power cable. The single biggest reason to buy is its combination of oil, water, and acid-resistant PVC jacket with oxygen-free copper conductors, which together deliver durable outdoor and industrial performance in harsh conditions. The cable is presented as a straightforward 100 ft length of 12 AWG, 4-conductor SJOOW that prioritizes longevity and safe current delivery for tools, generators, and temporary power runs.

Key Features

• Heavy-duty jacket: The oil, water, and acid-resistant PVC jacket and robust insulation protect the cable in demanding industrial and outdoor environments.
• Temperature range: Rated to withstand -40C to 90C, the cable keeps flexibility and insulation integrity across a wide range of working conditions.
• Oxygen-free copper conductors: Each conductor is made of 72 finely stranded OFC wires for improved conductivity, corrosion resistance, and heat dissipation.
• 4-conductor design: Four current-carrying conductors provide versatile power distribution for portable equipment, lighting, and motor leads.
• 1 mm overall jacket thickness: A 1 mm thick PVC jacket adds mechanical protection for abrasion and rough handling on job sites or marine decks.
• Standard length: The 100 ft spool gives a practical reach for temporary power, generator runs, and event setups without frequent splicing.

Who It's For

The cable is best suited for electricians, contractors, event technicians, and marine operators who need a rugged, portable 12 AWG cable for power distribution and equipment connections. Its robust construction and OFC conductors make it a sensible pick when durability and conductivity matter most for tools, generators, portable lights, and motor leads.

Those who require a dedicated separate ground conductor (a 4+1 cable) or a permanently installed building wire should look elsewhere, since this product contains four current-carrying conductors only and is intended primarily for portable and temporary power use.

Pros & Cons

Pros

• Durable PVC jacket resists oil, water, and acid for long service life in harsh environments.
• Oxygen-free copper and 72-strand conductors improve conductivity and heat dissipation under load.
• Flexible across a wide temperature range, making it suitable for cold and hot climates.
• 100 ft length offers practical reach for many temporary power tasks without splicing.

Cons

• Contains four current-carrying conductors only, so there is no separate dedicated grounding conductor included.
• As a specialized SJOOW cord, it is not a substitute for fixed building wiring where different approvals or conductor configurations may be required.

Specifications

Product	12/4 SJOOW Wire 100FT
Conductor size	12 AWG (4 conductors)
Conductor material	Oxygen-Free Copper, 72 strands per conductor
Voltage rating	300V
Temperature range	-40C to 90C
Overall jacket	PVC, ~1 mm thickness
Length and diameter	100 ft, ~10.2 mm diameter

Our Verdict

For contractors and technicians who need a rugged, portable 12 AWG power cord, this 12/4 SJOOW 100 ft cable is a practical and durable choice that balances conductivity and environmental resistance. It delivers strong value for temporary power, generators, portable tools, and marine uses, provided you do not need a separate ground conductor or a cable intended for permanent in-wall installation.

Frequently Asked Questions

Does this cable include a separate grounding conductor?
No. This product contains four current-carrying conductors only and is not a 4+1 type cable with a separate ground.

Is the jacket suitable for outdoor and marine use?
Yes. The oil, water, and acid-resistant PVC jacket and specified temperature range make it suitable for outdoor and many marine applications.

What length and diameter does the cable come in?
The cable is supplied as a single 100 ft length and measures about 10.2 mm in overall diameter.