Price of extension cord for distribution box

Extension cords for distribution boxes range from around $63 to over $1,400 depending on length, amperage, and heavy-duty rating.

Typical Price Ranges

• Short 10–25 ft, 50A cords: $63–$160. For example, GearIT 10 ft 50A generator cord is priced at $63.39, and Southwire 50 ft 50A temporary power cord is around $108–$159 depending on features and connectors (Amazon, Home Depot, Walmart) .
• Medium 50–75 ft, 50A cords: $150–$384. VEVOR and Southwire offer 50 ft heavy-duty 50A cords with STW or SEOW ratings for $150–$271, while 75 ft options can reach $384 .
• Long 100 ft, 50A cords: $450–$1,488. Southwire 100 ft 50A twist-lock cords for temporary power distribution boxes are priced at $495–$1,488 depending on gauge and insulation type .

Factors Affecting Price

1. Length: Longer cords require more material and higher gauge wire, increasing cost.
2. Amperage Rating: 50A cords are more expensive than 30A or 20A cords due to thicker conductors.
3. Wire Gauge and Type: Heavy-duty STW, SEOW, or SOOW cables designed for outdoor, oil-resistant, and abrasion-resistant use cost more.
4. Connectors: Twist-lock or specialized plugs compatible with distribution boxes add to the price.
5. Brand and Certification: Southwire, VEVOR, and Voltec are premium brands with UL/ETL certifications, which can increase cost.

Where to Buy

• Home Depot: Offers a wide range of generator and distribution cords from $70 to $453 for 50A cords .
• Platt Electric Supply: Specializes in temporary power distribution box cords, with 50 ft and 100 ft 50A cords priced $100–$500+ .
• Amazon: Southwire and GearIT cords, 50–100 ft, 50A, $63–$495 .
• Specialty Suppliers: Bad Ass Extension Cords and ATI Electrical Supply provide heavy-duty spider box cords and custom lengths, $297–$861+ .

Recommendation

For standard temporary power distribution setups, a 50 ft, 50A STW or SEOW cord is a practical choice, typically costing $150–$271. For longer runs or high-demand applications, 100 ft cords may be required, with prices ranging $450–$1,488. Always ensure the cord matches the amperage, plug type, and outdoor rating of your distribution box.