Features & Benefits
- Heavy Duty Outdoor STW Generator Extension Cord
- 3 Pole, 4 Wire Grounding
- NEMA L14-30P to NEMA L14-30R
- UL and C-UL approved
- Max rating: 6,250 watts
- Length: 100 feet, amperage de-rates to 25 amps
- Home Page /
- Patio, Lawn & Garden /
- Generators & Portable Power /
- Generator Accessories /
- Cords, Plugs & Adapters /
- Conntek 20603 Nema Generator Cord, Yellow
0 ratings
Item #:
48049665
Conntek 20603 Nema Generator Cord, Yellow
Item #:
48049665
0 ratings
Write a review
Out of stock
Imported from USA store
Secured transaction
Ubuy works hard to protect your security and privacy. Our advanced payment security system ensures confidentiality by encrypting your information during transmission using AES (Advanced Encryption Standards) and SSL (Secure Socket Layer) protocols. Your payment details are 100% secure as we do not share your payment details with third party sellers.
Our Top Logistics Partners
Stays flexible in cold weather, Heat Resistant up to 221F to 25 Amps when the cable is longer than 50FT.
Buy Now Pay Later
Fast
Shipping
Free
Return*
Secure Packaging
100% Original Products
PCI DSS Compliance
ISO 27001 Certified
Product Details
- 100FT Heavy Duty OutdoorSTW 10/4 Generator Extension Cord
- Configuration: NEMA L14-30 (30 amps 125/250 volts, locking)
- 3 Pole, 4 Wire Grounding
- Stays flexible in cold weather, Heat Resistant up to 221F
- Max rating: 6,250 watts (amperage de-rates to 25 amps for 100 feet length)
- UL and C-UL approved with limited one year warranty
| Product Dimensions (L x W x H) | 15 x 5 x 15 inches (38.1 x 12.7 x 38.1 cm) |
| Item Weight | 32.4 pounds (14.58 kg) |
| Manufacturer | Conntek |
| Country of Origin | China |
| Item model number | 20603 |
| Is Discontinued By Manufacturer | No |
| Color | Yellow |
| Brand | Conntek |
| Connector Gender | Male-to-Female |
| Voltage | 250 Volts |
| Input Current | 30 Amps |
| Date First Available | August 14, 2021 |
| What is in the box | Conntek 20603 Nema Generator... For more details, please check description/product details |
Product Description
Conntek 20603 Nema Generator Cord, Yellow
Have any Query? Chat with us
Product Buying Guide
When it comes to powering your essential appliances and equipment during outages or remote locations, the Conntek 20603 Nema Generator Cord in vibrant yellow offers a reliable and robust solution. Whether you need to connect to a transfer switch or a generator, this heavy-duty outdoor cord is designed to meet your power needs. With a 100 feet length, this cord is a convenient and secure method for accessing power from a distance, while the SJTW 10/4 cable and NEMA L14-30 configuration ensure safety and durability.
Product Specifications
- Configuration: NEMA L14-30 (30 amps 125/250 volts, locking)
- Cable: SJTW 10/4 (100 feet)
- UL listed
- Max rating: 6,250 watts (25 amps due to the length being 100 feet)
Key Features
- Heavy-duty outdoor STW 10/4 generator extension cord
- 3 pole, 4 wire grounding for enhanced safety
- Stays flexible in cold weather
- Heat resistant up to 221F
- Ideal for transfer switches, generators, and more
- UL and C-UL approved for reliability
Usage Scenarios
- Connecting to transfer switches for seamless power transfer
- Accessing power from generators during outages or in remote locations
- Ideal for outdoor use due to its durable construction and weather-resistant design
Usage Scenarios
This product competes with other heavy-duty generator cords available in the market
Some User Review
- Users appreciate the long length of the cord, which provides significant reach and flexibility in accessing power from generators and transfer switches.
- Many users have noted the durability of the cord, particularly its resistance to cold weather and high temperatures, making it a reliable choice for outdoor use.
- The UL and C-UL approval has instilled confidence in users regarding the safety and reliability of this product for their power needs.
Competitors
The price of the Conntek 20603 Nema Generator Cord is competitive when compared to cords with similar specifications, offering good value for its quality and length.
Buying Considerations
- Consider the specific power requirements of your appliances and equipment to ensure compatibility with the cord's max rating of 6,250 watts
- Evaluate the distance between your power source and the intended appliances or equipment to determine the appropriate cord length
- Check local regulations and guidelines to ensure compliance with safety standards when using the cord outdoors or in specific applications
Conclusion
The Conntek 20603 Nema Generator Cord stands out as a dependable and durable solution for accessing power from generators and transfer switches, especially in outdoor environments. With its robust construction, safety approvals, and convenient length, this cord is a valuable investment for ensuring seamless power supply during outages or in remote locations.
View LessWhen it comes to powering your essential appliances and equipment during outages or remote locations, the Conntek 20603 Nema Generator Cord in vibrant yellow offers a reliable and robust solution. Whether you need to connect to a transfer switch or a generator, this heavy-duty outdoor cord is designed to meet your power needs. With a 100 feet length, this cord is a convenient and secure method for accessing power from a distance, while the SJTW 10/4 cable and NEMA L14-30 configuration ensure safety and durability. Continue Reading
Customer Questions & Answers
-
Question:
What kind of weather conditions can this extension cord handle?
Answer: It stays flexible in cold weather. -
Question:
What are the approval marks for this extension cord?
Answer: It is UL and C-UL approved. -
Question:
What is the maximum rating for this extension cord?
Answer: The max rating is 6,250 watts.
Conntek Cords, Plugs & Adapters 20603 Editorial Review
No editorial reviews found
Customer Reviews & Ratings
1 customers ratings
-
5 Star
100%
-
4 Star
0%
-
3 Star
0%
-
2 Star
0%
-
1 Star
0%
Review this product
Share your thoughts with other customers
Platform Trust & Buyer Confidence
MT
Mohd
Verified buyer
“The product received very good packaging & safe…Thank You”
16 June 2026 · via Trustpilot
SJ
Shawati
Verified buyer
“Accurate delivery timing given”
16 June 2026 · via Trustpilot
YB
Youcef
Verified buyer
“Not madly expensive like I thought, and much quicker than promised.”
15 June 2026 · via Trustpilot
LM
Leila
Verified buyer
“Never dealt with Ubuy before, but everything worked out great. Seamless cross border purchasing and shipping. Thanks!”
6/7/2026 · via Trustpilot
KA
Kwame
Verified buyer
“The process was smooth, with clear communication and timelines. This was my 1st purchase and I am really impressed. I will definitely be coming back.”
12 June 2026 · via Trustpilot
Secure Checkout
Global Delivery
Easy Returns
Genuine Products
Important information
- Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
- Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.
Currently unavailable.
We don't know when or if this item will be back in stock.
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
Secured transaction
PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.
Our Top Logistics Partners
Fastest cross-border delivery
Ubuy Assurance
Experience worry-free shopping with 100% original products, PCI DSS-compliant payment security, ISO 27001-certified data protection, the fastest cross-border delivery, free returns *, and secure packaging on every order.