Power Where You Need It
Outdoor Extension Cords - Heavy Duty Extension Cords
A Proud Texas Owned Company
We’re a small team obsessed with durability. Every Watt’s Wire heavy duty extension cord is built to perform—whether you’re framing a house, tackling weekend projects, or lighting the backyard. Choose our outdoor extension cord designs for safe, dependable power in any season.
Use In Outdoor Conditions
All of our extension cords are rated for outdoor use.
What can Watt's Wire extention cords be used to power?
Our outdoor extension cords can be used with power tools, lights, air compressors, space heaters, freezers, refrigerators, outdoor equipment, generators, & many more!
How durable are Watt's Wire extension cords?
Our outdoor extension cord jackets are enforced with strength-adding poly strands, and the exterior is coated with clear vinyl to stand up to the heaviest day-to-day use.
Can Watt's Wire cords be used outdoor?
All of our cord jackets are weather and outdoor rated. As with all extension cord ends, be sure to keep the connections dry.
Shop Our Outdoor Power Cords
Heavy Duty Extension Cord
Our outdoor extension cords use heavy copper wire to minimize voltage drop.
Velcro Storage Straps
Extension Cord Ends
Pink Extension Cords
GFCI Extension Cords
Extreme Flexible Rubber Cords
10 Gauge Extension Cord
Green Outdoor Extension Cords
Black Extension Cords
White Extension Cords
12/3 Heavy Duty Extension Cord
Extension Cord 10+ ft
Extension Cord Waterproof
Short Extension Cord
Extension Cord Reel
14 Gauge Heavy Duty Extension Cord / Outdoor Extension Cord
Our yellow outdoor extension cord with multiple outlets has a lighted and angled end that allows you to plug in up to three different items, even bulky power adapters. Our plugs are made from extremely heavy-duty molded plastics. All three plugs are polarized and grounded.
Why choose a Watt's Wire outdoor extension cord?
At Watt's Wire we pride ourselves on producing a high quality product. We have been manufacturing extension cords for over 9 years, and we are continuously improving on our design. We greatly value our customers and work hard to earn your trust.
Can I use your extension cord outdoor? Is your outdoor extension cord waterproof?
Yes, our extension cord jackets are rated to handle rain, snow, heat and cold. As with ALL extension cords, just be sure to keep the plugs and connections dry.
Will your heavy duty extension cord work with a generator?
Yes, our 14 gauge extension cord is perfect to plug into and extend power from your generator. Rated for up to 15 amps (up to 50 ft) or 13 amps (for 100 ft ), our 14 gauge extension cords can safely handle power hungry items.
Can I use this for my space heater, air compressor, power tools, washing machine, refrigerator, etc.?
Yes, our thick 14 gauge cords can handle most all of your household and power tool needs. Our 14 gauge wire can handle a combined (15 amps = 1875 watts for cords up to 50 ft) or (13 amps = 1625 watts for cords of 100 ft).
High Quality & Dependable
Built to last. This heavy duty extension cord is SJTW rated for tough jobs—an outdoor extension cord waterproof that stays flexible in cold and resists UV/abrasion. Grounded extension cord 3 prong for reliable power to tools and generators.
Rated SJTW - Outdoor Extension Cord Waterproof
Weather-ready: waterproof SJTW jacket, UV resistant and abrasion tough. This outdoor extension cord stays flexible in the cold with a grounded 3-prong connection for dependable power on site, at home, or in the yard. Keep connection points dry, and away from running or standing water.
What sets our cords apart from the rest?
- Heavy Gauge Soft Drawn Copper Cabling,
- 20% more insulation when compared to competitors,
- Heavy Duty Molded built-in strain relief,
- Our extension cords won't kink and uncoil flat every time,
- Double Insulated material that won't mar walls and stands up to concrete
14 Gauge Soft-Drown Copper
100% stranded soft-drawn copper conductors are robust, stay flexible, and are perfect to get power where you need it. All our 14 gauge extension cords are UL certified and have a lifetime satisfaction against manufacturing defects. Trust our 15 amp extension cord heavy duty will get the job done.
Consistent Voltage
We only sell thick, heavy wire cords. Our 14/3 extension cord works great for all the tools and equipment on your job site. They are designed to provide maximum power with minimal voltage drop, giving you the required amps where you need them. Extensiones electricas
Compare & shop our other heavy duty extension cords
 GFCI Extension Cords |  Outdoor Extension Cords |  Outdoor Extension Cords |  GFCI Extension Cord |  Pink Extension Cords |  10 Gauge Extension Cords |  Outdoor Extension Cords | |
|---|---|---|---|---|---|---|---|
Customer Reviews | — | — | — | — | — | — | — |
Wire Gauge | 12 AWG | 12 AWG | 12 AWG | 12 AWG | 14 AWG | 10 AWG | Outdoor Extension Cords |
Number of Outlets Available | 3 | 3 | 1 | 3 | 1 | 1 or 3 | 1 or 3 |
Lengths Available (ft) | 3, 6, 10, 15, 25, 50, 100 | 2, 6, 10, 15, 25, 50, 75, 100 | 1, 6, 10, 15, 25, 50, 100 | 6, 15, 25, 50, 100 | 15, 25, 50, 100 | 10, 25, 50, 100 | 2, 6, 10, 15, 25, 50 |
Colors Available | Yellow | Black, White | Yellow | Yellow | Pink | Yellow | Black, White |
Jacket Rating | Extension Cord Outdoor - SJTW | Extension Cord Outdoor - SJTW | Extension Cord Outdoor - SJTW | Extension Cord Outdoor - SJTW | Extension Cord Outdoor - SJTW | Extension Cord Outdoor - SJTW | Extension Cord Outdoor - SJTW |
Outdoor Extension Cord | ? | ? | ? | ? | ? | ? | ? |
GFCI Protected | ? | ? | ? | ? | ? | ? | ? |
14 Gauge Heavy Duty Extension Cord / Outdoor Extension Cord
Our yellow outdoor extension cord with multiple outlets has a lighted and angled end that allows you to plug in up to three different items, even bulky power adapters. Our plugs are made from extremely heavy-duty molded plastics. All three plugs are polarized and grounded.
Why choose a Watt's Wire outdoor extension cord?
At Watt's Wire we pride ourselves on producing a high quality product. We have been manufacturing extension cords for over 9 years, and we are continuously improving on our design. We greatly value our customers and work hard to earn your trust.
Can I use your extension cord outdoor? Is your outdoor extension cord waterproof?
Yes, our extension cord jackets are rated to handle rain, snow, heat and cold. As with ALL extension cords, just be sure to keep the plugs and connections dry.
Will your heavy duty extension cord work with a generator?
Yes, our 14 gauge extension cord is perfect to plug into and extend power from your generator. Rated for up to 15 amps (up to 50 ft) or 13 amps (for 100 ft ), our 14 gauge extension cords can safely handle power hungry items.
Can I use this for my space heater, air compressor, power tools, washing machine, refrigerator, etc.?
Yes, our thick 14 gauge cords can handle most all of your household and power tool needs. Our 14 gauge wire can handle a combined (15 amps = 1875 watts for cords up to 50 ft) or (13 amps = 1625 watts for cords of 100 ft).
High Quality & Dependable
Built to last. This heavy duty extension cord is SJTW rated for tough jobs—an outdoor extension cord waterproof that stays flexible in cold and resists UV/abrasion. Grounded extension cord 3 prong for reliable power to tools and generators.
Rated SJTW - Outdoor Extension Cord Waterproof
Weather-ready: waterproof SJTW jacket, UV resistant and abrasion tough. This outdoor extension cord stays flexible in the cold with a grounded 3-prong connection for dependable power on site, at home, or in the yard. Keep connection points dry, and away from running or standing water.
Watt's Wire
What sets our cords apart from the rest?
- Heavy Gauge Soft Drawn Copper Cabling,
- 20% more insulation when compared to competitors,
- Heavy Duty Molded built-in strain relief,
- Our extension cords won't kink and uncoil flat every time,
- Double Insulated material that won't mar walls and stands up to concrete
14 Gauge Soft-Drown Copper
100% stranded soft-drawn copper conductors are robust, stay flexible, and are perfect to get power where you need it. All our 14 gauge extension cords are UL certified and have a lifetime satisfaction against manufacturing defects. Trust our 15 amp extension cord heavy duty will get the job done.
Consistent Voltage
We only sell thick, heavy wire cords. Our 14/3 extension cord works great for all the tools and equipment on your job site. They are designed to provide maximum power with minimal voltage drop, giving you the required amps where you need them. Extensiones electricas
Compare & shop our other heavy duty extension cords
GFCI Extension Cords | Outdoor Extension Cords | Outdoor Extension Cords | GFCI Extension Cord | Pink Extension Cords | 10 Gauge Extension Cords | Outdoor Extension Cords |
|---|---|---|---|---|---|---|
| Customer Reviews | ||||||
| — | — | — | — | — | — | — |
| Wire Gauge | ||||||
| 12 AWG | 12 AWG | 12 AWG | 12 AWG | 14 AWG | 10 AWG | Outdoor Extension Cords |
| Number of Outlets Available | ||||||
| 3 | 3 | 1 | 3 | 1 | 1 or 3 | 1 or 3 |
| Lengths Available (ft) | ||||||
| 3, 6, 10, 15, 25, 50, 100 | 2, 6, 10, 15, 25, 50, 75, 100 | 1, 6, 10, 15, 25, 50, 100 | 6, 15, 25, 50, 100 | 15, 25, 50, 100 | 10, 25, 50, 100 | 2, 6, 10, 15, 25, 50 |
| Colors Available | ||||||
| Yellow | Black, White | Yellow | Yellow | Pink | Yellow | Black, White |
| Jacket Rating | ||||||
| Extension Cord Outdoor - SJTW | Extension Cord Outdoor - SJTW | Extension Cord Outdoor - SJTW | Extension Cord Outdoor - SJTW | Extension Cord Outdoor - SJTW | Extension Cord Outdoor - SJTW | Extension Cord Outdoor - SJTW |
| Outdoor Extension Cord | ||||||
| ? | ? | ? | ? | ? | ? | ? |
| GFCI Protected | ||||||
| ? | ? | ? | ? | ? | ? | ? |
Power Where You Need It
Outdoor Extension Cords - Heavy Duty Extension Cords
A Proud Texas Owned Company
We’re a small team obsessed with durability. Every Watt’s Wire heavy duty extension cord is built to perform—whether you’re framing a house, tackling weekend projects, or lighting the backyard. Choose our outdoor extension cord designs for safe, dependable power in any season.
Use In Outdoor Conditions
All of our extension cords are rated for outdoor use.
What can Watt's Wire extention cords be used to power?
Our outdoor extension cords can be used with power tools, lights, air compressors, space heaters, freezers, refrigerators, outdoor equipment, generators, & many more!
How durable are Watt's Wire extension cords?
Our outdoor extension cord jackets are enforced with strength-adding poly strands, and the exterior is coated with clear vinyl to stand up to the heaviest day-to-day use.
Can Watt's Wire cords be used outdoor?
All of our cord jackets are weather and outdoor rated. As with all extension cord ends, be sure to keep the connections dry.
Shop Our Outdoor Power Cords
Heavy Duty Extension Cord
Our outdoor extension cords use heavy copper wire to minimize voltage drop.
Velcro Storage Straps
Extension Cord Ends
Pink Extension Cords
GFCI Extension Cords
Extreme Flexible Rubber Cords
10 Gauge Extension Cord
Green Outdoor Extension Cords
Black Extension Cords
White Extension Cords
12/3 Heavy Duty Extension Cord
Extension Cord 10+ ft
Extension Cord Waterproof
Short Extension Cord
Extension Cord Reel