IronBox NEMA L6-30P to L21-30R Power Cord Plug Adapter - 30A, 208V, 10/3 SOOW - UL Listed Heavy Duty Power Cable - Twist Lock Power Extension for Generator, RV, Camper and More (6ft, Custom Build)

★★★★★ 4.8 24 reviews

$132.82
Price when purchased online
Free shipping Free 30-day returns

Sold and shipped by ofeo.hu
We aim to show you accurate product information. Manufacturers, suppliers and others provide what you see here.
$132.82
Price when purchased online
Free shipping Free 30-day returns

How do you want your item?
You get 30 days free! Choose a plan at checkout.
Shipping
Arrives May 12
Free
Pickup
Check nearby
Delivery
Not available

Sold and shipped by ofeo.hu
Free 30-day returns Details

Product details

Management number 219352087 Release Date 2026/05/03 List Price $53.13 Model Number 219352087
Category
  • DURABLE CONSTRUCTION: IronBox Electric’s custom-built NEMA L6-30P to L21-30R power cord plug adapter is constructed for heavy-duty use, designed to withstand both indoor and outdoor environments. Made with 10 awg SOOW cable, it offers flexibility and resilience against oil, water, sunlight, and weather. This durable extension cord provides reliable connections for generators, power transfer switches, and other equipment in tough conditions.
  • HIGH POWER CAPACITY: This plug adapter supports a 30A power capacity and is ideal for high-power applications. The 10 AWG cord handles 30A/208V power, ensuring efficient transfer between generators and transfer switches. Designed to safely connect high-powered devices, it delivers consistent performance in a wide range of industrial and residential setups.
  • VARIOUS LENGTHS AVAILABLE: Available in lengths of 1, 3, 6, 10, 20, 40, and 100 feet, this NEMA L6-30P to L21-30R adapter offers flexibility for different setups. The variety of lengths ensures it can be used for both short-range and extended-distance connections, whether you're powering a portable generator or a large, stationary unit. With multiple cord length options, you can easily adapt it to any job, indoors or outdoors.
  • DEPENDABLE QUALITY: The NEMA L6-30P to L21-30R adapter is UL listed and tested for Voltage Hi-Potential, Continuity, and Polarity. Constructed with durable materials, it is designed to meet industry standards for reliable performance. This adapter ensures a consistent, safe connection for generators, power equipment, and more, providing dependable operation for various applications.
  • WIDE COMPATIBILITY: Designed for seamless compatibility with generators, transfer switches, and industrial power systems, this NEMA L6-30P to L21-30R adapter provides secure connections for 30A power. Whether you’re connecting to a 208V, 3-phase system or using it for temporary setups at construction sites, this adapter ensures your generator or electrical equipment is connected with ease and reliability, supporting a wide range of applications.

Voltage 208 Volts
Amperage 30 Amps
Brand Name Iron Box
Item Length 72 Inches
Manufacturer Iron Box
Connector Type Plug in
Number Of Wires 3
Number of Poles 3
Specification Met NEMA

Correction of product information

If you notice any omissions or errors in the product information on this page, please use the correction request form below.

Correction Request Form

Customer ratings & reviews

4.8 out of 5
★★★★★
24 ratings | 10 reviews
How item rating is calculated
View all reviews
5 stars
87% (21)
4 stars
2% (0)
3 stars
1% (0)
2 stars
0% (0)
1 star
10% (2)
Sort by

There are currently no written reviews for this product.