GoGreen Power GG-14000BK 12/3 SJTW Outdoor Extension Cord – 100 ft Contractor-Grade Black

  • Overall Rating
  • Durability & Build Quality
  • Outdoor/Weather Resistance
  • Length & Reach Utility
  • Electrical Safety Confidence
4.7/5Overall Score

The GoGreen Power GG-14000BK is a contractor-grade 12/3 SJTW outdoor extension cord, measuring 100 ft in length and rated for heavy-duty use (125 V / 15 A). Built with a durable jacket, molded plugs and weather-resistant design, it’s ideal for powering tools, lighting and equipment in outdoor or garage settings especially for users needing longer reach and higher reliability than typical indoor cords.

Specs
  • Brand: GoGreen Power
  • Model: GG-14000BK
  • Gauge / Conductors: 12/3 (12 AWG, 3-conductor)
  • Jacket Rating: SJTW (Outdoor-rated)
  • Length: 100 ft
  • Voltage Rating: 125 V, 15 A, up to approx 1,875 W
  • Certification: cETL listed (meets UL/CSA standards for outdoor use)
  • Special Note: Not suitable for EV charging.
Pros
  • True outdoor-rated cable built for heavy use.
  • Adequate gauge (12-AWG) for demanding power loads.
  • Long reach (100 ft) covers large outdoor work zones or yards.
  • Positive user feedback with high ratings and reliability.
  • Brand shows eco-friendly initiative (recycling programs) in listing.
Cons
  • Rated for 125 Volts/15 Amps only — not suited for high-amperage equipment like EV chargers.
  • Large length and heavy cable can be bulky and harder to manage/reel for some users.
  • Outdoor use cable may still degrade over time in harsh environments (sun, freezing temps) even though it's rugged.

When working outdoors, powering heavy tools, or needing reliable reach in your yard or workshop, a high-quality extension cord is more than optional it’s essential. The GoGreen Power GG-14000BK 12/3 SJTW Outdoor Extension Cord (100 ft length) offers a contractor-grade solution built for durability, safety and practicality. With its heavy-duty construction, weather-resistance and full 100-foot reach, it’s designed for demanding jobs and outdoor use.

Key Features & Build Quality

  • 12/3 Gauge Cable: The “12/3” specification indicates 12-gauge wire with three conductors (hot, neutral, ground) — ideal for high-current outdoor tools rated up to 15 amps/1,875 watts.
  • SJTW Rating: SJTW stands for “Service Junior Thermoplastic Weather-resistant” rated cord, meaning it’s designed for both indoor and outdoor use, with resistance to moisture, abrasion and UV exposure.
  • Length – 100 ft: The 100-foot reach gives ample span for work far from power outlets whether yard equipment, exterior power tools or lighting rigs.
  • Durable Plugs & Connectors: The cord comes with molded plugs for secure and reliable connections, reducing risk of loosening or accidental disconnection under heavy use.
  • Weather-Tough Construction: According to the listing, the cord is moisture-resistant, abrasion-resistant and built for prolonged outdoor exposure to sunlight.
  • Certified & Listed: It is ETL/cETL listed to meet safety standards for outdoor extension cords (125 V, 15 A).

Performance & Real-World Use
Users consistently rate this cord highly for durability and performance in demanding contexts. One user reported:

“I am using the GoGreen 12/3 for my DeWalt DWS780 miter saw… As soon as I started using this 12 AWG cord, I noticed the difference right away.”
That suggests the value of using properly-sized extension cords for heavy tools: less voltage drop, better performance.

In real-world usage, the long run length of 100 ft means you can set up larger job sites, garden areas or exterior lighting without needing multiple cords or power strips. The weather-resistant cable jacket holds up well to outdoor conditions such as damp, sunlight and wear.

On the downside, extremely long runs of any extension cord (100 ft+) can still experience voltage drop—while the 12-gauge helps, users of very high-wattage tools should still check their tool specs and ensure the power source is robust. Also, while rugged, the cord is still heavy and bulky at 100 ft length and may be less easy to coil/storage than shorter versions.

Ideal Use-Cases & Audience

  • Contractors, tradesmen and DIYers working on outdoor sites (landscaping, deck-building, exterior remodels) needing a reliable heavy-duty extension.
  • Homeowners with large yards or outdoor workshops needing long reach for tools, lighting, inflation devices or holiday decorations.
  • Rental property managers or event setups where weather-resistance and durability across multiple uses is desired.
  • Anyone upgrading from thin indoor extension cords to a true outdoor-rated cable for safety and performance.

Strengths & Advantages

  • Excellent durability and outdoor suitability: SJTW rating, molded plugs, 12/3 gauge.
  • Long 100-ft length gives flexibility and span for large tasks.
  • Heavy-duty specs mean safer operation with power tools or high-load equipment.
  • Strong user ratings: the product shows consistently high satisfaction.
  • Relatively cost-effective versus buying premium brands with similar specs.

Limitations & Considerations

  • Although 12-gauge 100 ft is good, very heavy machinery may still benefit from shorter runs or higher-capacity wiring to minimise drop—check tool wattage.
  • The full 100-ft coil is heavy and may be cumbersome to deploy or store.
  • The product states “SHOULD NOT be used with an EV Charger.” If you are looking for EV-charging extension, you’d need a specialized cord.
  • Outdoor extension cords still require best-practice usage: avoid kinks, never bury without protection, keep plugs off ground when possible, disconnect when not in use.
  • Even durable outdoor cords have a finite lifespan in harsh environments—regular inspection is recommended.

Conclusion
Overall, the GoGreen Power GG-14000BK 12/3 SJTW Outdoor Extension Cord (100 ft) offers an excellent balance of performance, durability and value for heavy-duty outdoor power needs. Its 12-gauge construction, outdoor rating, long length and solid reviews make it a smart investment for DIYers, contractors and homeowners alike. If your tasks involve high-wattage tools, long reach outdoors and repeated use, this is a strong choice. If your use is minimal (short run, light tools) a shorter or lighter cord may suffice but for any serious outdoor electrical work, you’d benefit from this upgrade.

Melanie
Melanie