IronBox Electric NEMA L5-30P to L5-20R Plug Adapter Power Cord - 20A, 125V, 12/3 SJT - UL Listed Power Cable - Heavy Duty Extension Cord for Generator, Data Centers, Outdoor & More (3ft, Custom Built)

★★★★★ 4.1 110 reviews

US$20.59
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US$20.59
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Free shipping Free 30-day returns

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Product details

Management number 219023698 Release Date 2026/05/03 List Price US$20.59 Model Number 219023698
Category
  • CUSTOM-BUILT CONSTRUCTION: The IronBox Electric L5-30P to L5-20R adapter cord is designed for durability with a custom-built plug and industrial-grade Pass and Seymour connector, paired with a 12 AWG SJT cable. Its rugged build ensures reliable performance in demanding conditions. Resistant to oil, water, sunlight, and extreme weather, it’s perfect for powering tools, appliances, or equipment indoors or outdoors. Built for heavy use, it’s a dependable power solution.
  • HIGH POWER CAPACITY: With a 20A, 125V electrical rating, this adapter cord delivers dependable power for a wide range of applications. The 12/3 SJT cable ensures efficient power transfer from a generator to a transfer switch or compatible devices. Its robust design supports steady and reliable operation, making it perfect for powering tools, appliances, and other equipment during home improvement projects, outdoor events, or emergency backup situations.
  • FLEXIBLE LENGTH OPTIONS: IronBox Electric offers this adapter cord in various lengths, providing flexibility for different setups. Whether you need a shorter cord for compact spaces or a longer one for greater reach, these options help you optimize your workspace or outdoor power configuration. The cord's flexibility and rugged construction make it easy to position your generator, tools, or appliances exactly where you need them without compromising performance.
  • DEPENDABLE QUALITY: Manufactured in the USA, this adapter cord is designed with safety and reliability in mind. It undergoes rigorous testing for voltage hi-potential, continuity, and polarity to ensure dependable performance. Crafted with premium materials and precise engineering, this UL Listed cord meets professional standards for both residential and commercial applications, providing a reliable and durable power solution.
  • WIDE COMPATIBILITY: This adapter cord features a 3-prong L5-30P male to L5-20R female connection, ensuring compatibility with a wide range of generators, transfer switches, and other equipment. Its versatile design is ideal for powering RVs, outdoor tools, appliances, and equipment in data centers, camping trips, job sites, or emergencies. This adaptable cord is a must-have for homeowners, contractors, IT professionals, and outdoor enthusiasts seeking dependable power solutions.

Brand Iron Box
Gauge 12.0
Voltage 125 Volts
Wattage 2500 watts
Amperage 20 Amps
Plug Type NEMA L5-30P
UL Listed No
Item Length 36 Inches
Manufacturer Iron Box
Model Number IBX-3661-01
Input Current 20 Amps
Mfr Part Number IBX-3661-01
Connector Gender Male-to-Female
Number of Outlets 1
Number Of Conductors 3

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