Southwire Extension Cords: durable power where you need it
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From everyday home projects to demanding jobsites, Southwire extension cords are built to keep power dependable, visible, and ready—indoors or out. Explore the full category here: Southwire Extension Cords.
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Built for real work (and real conditions)
Southwire’s extension cord lineup is designed to be durable and reliable, with options that match the way you actually use cords—different environments, different loads, different distances (Extension Cords category). Need outdoor-ready cordage? Southwire highlights outdoor extension cords in multiple lengths and gauges so you can choose the right fit for the tool and the run (Outdoor Cords).
Quality features that make a difference on the job
Depending on the model, Southwire extension cords offer practical, job-focused advantages such as:
- High visibility jackets to improve safety and reduce loss—like bright yellow options designed for extra visibility (25' Heavy Duty Extension Cord).
- Rugged outdoor protection with jackets built to handle moisture, abrasion, and sunlight—ideal for driveways, yards, and worksites (25' Heavy Duty Extension Cord).
- Lighted ends / power indicators so you can confirm power at a glance—especially helpful when troubleshooting or working in low light (25' Heavy Duty Extension Cord).
- Heavy-duty conductor options including all-copper wire designs recommended for heavy-duty equipment and tools (25' Heavy Duty Extension Cord).
- Safety-minded plug design and certification—for example, oversized molded plugs and UL listing called out on select products (25' Heavy Duty Extension Cord).
Power options for common use cases
Whether you’re powering lawn equipment, shop tools, or backup power setups, Southwire offers cords rated for the task—like outdoor models listed at 15 amps / 125 volts / 1875 watts (10/3 SJTW 50' Outdoor Extension Cord with Power Light Indicator) and heavier-duty configurations rated up to 20 amps / 125 volts / 2500 watts for generator-style applications (10/3 SJTOW 50' Generator Extension Cord with Power Light Indicator Receptacle).
Find the right cord faster
Start with the category page to browse by application, then narrow by length, gauge, and environment: Southwire Extension Cords and Outdoor Cords.
