IronBox Electric NEMA L21-20P to L21-30R Plug Adapter - 20A, 208V, 12 AWG SJOOW - UL Listed Twist Lock Extension Cord - Heavy Duty Plug & Connector Cable for Generator, RV, Data Centers & More (75ft)

★★★★★ 4.7 25 reviews

$290.39
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$290.39
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Free shipping Free 30-day returns

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Product details

Management number 216551919 Release Date 2026/04/19 List Price $116.16 Model Number 216551919
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.

Brand Iron Box
Voltage 208 Volts
Manufacturer Iron Box
Model Number IBX-3239-75

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25 ratings | 10 reviews
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