Heavy Duty Extension Cords
13 products

Read our
for choosing the right Extension Cords
How to choose the right
Extension Cords
Extension cords are essential tools for powering devices and equipment when outlets are out of reach. Here’s everything you need to know to choose the right one for your needs.
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Understand Your Power Needs
- Device Wattage: Check the total wattage of the devices you’ll be connecting to avoid overloading the cord.
- Amperage Rating: Ensure the extension cord can handle the amperage required by your devices. Look for cords with higher ratings for heavy-duty equipment.




Heavy Duty Extension Cords Type
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Add to Compare$15.99In stock and Ready to ShipBulk Discounts Available. Open a B2B account to unlock exclusive savings!
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4 Outlet Outdoor Extension Cord with Multiple outlets, 12 Gauge ETL Listed - 30 FT
C-BK-I-GRN-O4-30FT$87.99In stock and Ready to ShipBulk Discounts Available. Open a B2B account to unlock exclusive savings! -
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Extension Cord Outdoor Extension Cord with Multiple outlets,14 Gauge, ETL Listed - 10 FT - Orange
C-ORG-3P-CLR-LI-10FT$18.99In stock and Ready to ShipBulk Discounts Available. Open a B2B account to unlock exclusive savings! -
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Maximm 10/3 SJTW Extension Cord 3 Feet, 10AWG Black, 3 Prong Plug 4-Outlet Heavy Duty 15A, 1875W - 50 FT
C-BK-I-GRN-O4-10-50FT$201.99In stock and Ready to ShipBulk Discounts Available. Open a B2B account to unlock exclusive savings! -
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Maximm Outdoor Extension Cord, 3 Prong Plug 3-Outlet SJTW Heavy Duty Indoor/Outdoor - 10AWG - 6 FT
3OUT-EXT-BK-GRN-10G-6FT$19.99In stock and Ready to ShipBulk Discounts Available. Open a B2B account to unlock exclusive savings! -
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3 Outlet Power Extension Cord Splitter, 16 Gauge (Power Cord Splitter/Outlet Saver) - Default Title
C-BK-P-CLGRBL-LO-SPLITTER3IN1$15.99In stock and Ready to ShipBulk Discounts Available. Open a B2B account to unlock exclusive savings! -
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Heavy Duty Air Conditioner and Major Appliance Extension Cord UL Certified 14 Gauge, 125V, 15 Amps, 1875 Watts Grounded 3-PRONGED Cord - White - 10 FT
CFI-WHGRN-04C/052P-10FT$16.99In stock and Ready to ShipBulk Discounts Available. Open a B2B account to unlock exclusive savings! -
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Maximm Extension Cord with Lock - Lighted Power Indicator, 16 Gauge, SJTW, Heavy Duty Extension Cord - 25 FT - Orange
LA004H-LA005ZA-25FT-ORG$21.99In stock and Ready to ShipBulk Discounts Available. Open a B2B account to unlock exclusive savings! -
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Extension Cord Power Cords Indoor/Outdoor 16 Gauge Wire Heavy Duty ETL Listed - 2 FT - Black
IGR-LA005H-02$9.50In stock and Ready to ShipBulk Discounts Available. Open a B2B account to unlock exclusive savings! -
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Extension Cord Splitter 12/3 AWG Indoor / Outdoor Rated, Heavy Duty Power Cords - 25 FT
IGR-LA004H-SPLITTERS-25FT$49.99In stock and Ready to ShipBulk Discounts Available. Open a B2B account to unlock exclusive savings! -
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Extension Cord Space-Saving Flat Plug Design, Indoor 16 Gauge Heavy Duty, ETL Listed - Black - 1 FT
IGR-P030P-LA005H-1BK$8.99In stock and Ready to ShipBulk Discounts Available. Open a B2B account to unlock exclusive savings! -
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Maximm Extension Cord Heavy Duty Flat Wire 3-Prong Flat Plug, 14 AWG Power Cord - UL Certified - 1 FT - Black
ADW-90-31F01-14B0$11.99In stock and Ready to ShipBulk Discounts Available. Open a B2B account to unlock exclusive savings! -
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Extension Cord with Lighted Power Indicator Single Outlet 16 Gauge, SJTW, Heavy Duty Outdoor Extension Cord - 3 FT - Yellow
1OUT-EXT-YL-LITEND-3FT$12.99In stock and Ready to ShipBulk Discounts Available. Open a B2B account to unlock exclusive savings!
Heavy-duty extension cords are essential for construction contractors, featuring durable 10-gauge and 12-gauge wire to support heavy tools and equipment. Built to withstand tough job site conditions, these weather-resistant cords ensure reliable power and safety, making them a must-have for maximizing efficiency on any project.
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