Iron Box NEMA L21-20R Locking Connector - 20 Amp 120/208V 3 Phase Female Cord End, 5 Wire Grounding Device, Industrial Grade Twist Lock Construction, Extension Receptacle, UL Listed, Heavy Duty, Black

★★★★★ 4.2 126 reviews

US$8.44
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US$8.44
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Free shipping Free 30-day returns

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Product details

Management number 218142898 Release Date 2026/05/03 List Price US$8.44 Model Number 218142898
Category
  • HEAVY DUTY INDUSTRIAL QUALITY: The Iron Box NEMA L21-20R locking connector is made from rugged DuPont nylon with reinforced contacts designed for demanding industrial and commercial power distribution. This twist-lock female receptacle resists impact, heat, and wear during repeated use. Ideal for data centers, OEM equipment, construction sites, and industrial extension cords requiring strong mechanical build and secure electrical contact.
  • WEATHER-RESISTANT & OUTDOOR-READY DESIGN: Designed with a sealed industrial-grade housing, this L21-20R connector limits exposure to moisture, oils, dirt, and debris in outdoor and job-site environments. The heavy-duty nylon body maintains consistent electrical performance in indoor and outdoor installations. Suitable for generators, temporary power setups, commercial extension cords, and industrial equipment used in harsh operating conditions.
  • HIGH CAPACITY 20 AMP 120/208V 3-PHASE POWER RATING: Rated for 20 amps at 120/208 volts, this NEMA L21-20R 5-wire grounding device is designed for three-phase electrical systems used in data centers, server rooms, power distribution panels, and industrial machinery. The twist-lock configuration reduces the risk of unintended disconnection while providing steady power flow for high-demand commercial and industrial electrical applications.
  • CORD END INSTALLATION & SECURE LOCKING DESIGN: Designed for cord end installation, this female locking connector is compatible with 8–12 AWG wire and commonly used for extension cord end repairs and upgrades. The twist-lock design provides a firm, vibration-resistant connection suited for frequent handling and movement. Ideal for electricians, contractors, maintenance teams, and facility operations requiring efficient installation and strong mechanical locking.
  • Heavy Duty DuPont NylonCOMPLIES WITH INDUSTRY UL LISTING STANDARDS: This Iron Box NEMA L21-20R locking receptacle is UL Listed and CSA approved, meeting established industry standards for electrical connectors. RoHS and REACH compliance confirms alignment with material regulations. Suitable for commercial, industrial, and residential power distribution applications where documented compliance and consistent manufacturing quality are essential. Construction

UPC 707565452540
Color Black
Model IBX-L2120R
Amperage 20 Amps
Plug Type NEMA L21-20R
Brand Name Iron Box
Part Number IBX-L2120R
Manufacturer Iron Box
Material Type Nylon
Product Grade New
Connector Type Plug-in
Number Of Wires 5
Number of Poles 5
Specification Met NEMA

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4.2 out of 5
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