IronBox Electric NEMA L21-20P to L21-30R Plug Adapter - 20A, 208V, 12 AWG SJOOW - UL Listed Twist Lock Extension Cord - Heavy Duty Plug and Connector Cable for Generator, RV, Data Centers & More (3ft)

★★★★★ 5.0 113 reviews

$69.72
Price when purchased online
Free shipping Free 30-day returns

Sold and shipped by www.letmestudy.org
We aim to show you accurate product information. Manufacturers, suppliers and others provide what you see here.
$69.72
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 19
Free
Pickup
Check nearby
Delivery
Not available

Sold and shipped by www.letmestudy.org
Free 30-day returns Details

Product details

Management number 218631392 Release Date 2026/05/03 List Price $27.89 Model Number 218631392
Category
  • DURABLE CUSTOM BUILT CONSTRUCTION: The IronBox Electric NEMA L21-20P to L21-30R Plug Adapter is custom-built and made in the USA for exceptional durability. Featuring industrial-grade heavy-duty construction with robust 12/5 AWG wire, it’s designed to withstand demanding environments. Whether you're working on construction sites, in industrial settings, or at outdoor events, this twist lock adapter is engineered to endure rough handling while providing reliable power distribution.
  • HIGH POWER CAPACITY: With a power rating of 20 amps and 208V (3-phase), this NEMA L21-20P to L21-30R Plug Adapter delivers a substantial power capacity to meet your needs. Whether you're working with high-powered tools, equipment, or electrical systems, this adapter ensures stable and efficient power transfer. Its robust power capabilities allow it to support various setups that require consistent and reliable electrical output.
  • VARIOUS LENGTHS AVAILABLE: IronBox Electric offers the NEMA L21-20P to L21-30R plug adapter in multiple lengths, providing flexibility for a wide range of setups. Whether you need extra reach for equipment or a compact solution, this adapter can be adapted to your specific space and usage requirements. Its versatility in length makes it an ideal choice for various environments, from workshops to larger commercial spaces.
  • PREMIUM QUALITY: This L21-20P to L21-30R plug adapter is UL Listed, meeting stringent safety and quality standards. Each adapter is carefully tested for voltage hi-pot, continuity, polarity, and insulation resistance, ensuring safe and reliable operation in various electrical environments. Built with durable materials, this adapter offers consistent performance and provides protection for your equipment during use.
  • WIDE COMPATIBILITY: This NEMA L21-20P to L21-30R Plug Adapter adapts a L21-30P plug to fit a L21-20R receptacle, offering broad compatibility with various electrical systems. It’s ideal for use in commercial buildings, industrial settings, RVs, and home workshops. The twist-lock connection ensures a secure and reliable fit, enabling stable electrical transfers. Whether connecting equipment, machinery, or power sources, this adapter provides a seamless solution for multiple applications.

Color Black
Model IBX-3239-03
Voltage 208 Volts
Amperage 20 Amps
Plug Type NEMA L21-20P/NEMA L21-30R
Brand Name Iron Box
Part Number IBX-3239-03
Manufacturer Iron Box
Product Grade New
Connector Type Plug in
Number Of Wires 4
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

5 out of 5
★★★★★
113 ratings | 46 reviews
How item rating is calculated
View all reviews
5 stars
90% (102)
4 stars
0% (0)
3 stars
0% (0)
2 stars
0% (0)
1 star
10% (11)
Sort by

There are currently no written reviews for this product.