Products Accessories and Cables APC Power Extender NEMA L21...

APC Power Extender NEMA L21-20 M/F 4 ft, 5-Wire 10 AWG, UL

VENDOR: APC Mfg Part#: PDW4L21-20XC UPC#: 731304233053
1 3
Photo is for illustration purposes only. Actual product may be different.
$258.00
$258.00
Sale Sold out
MSRP: $378.00
Shipping calculated at checkout.
  • 4-foot length power extension cable with NEMA L21-20P to L21-20R connectors
  • 5-wire, #10 AWG construction rated for high current loads
  • UL-listed for compliance with electrical safety standards
  • Black insulation for easy identification in cable management
  • TAA compliant and made in the United States
  • Backed by a 2-year manufacturer's warranty

Shipping & Returns

All our products can be shipped anywhere in the Continental United States.

View our shipping and returns policy

View full details

Key Benefits

Eye-Insights
  • Secure NEMA L21-20 connectors ensure safe, locking power connections in critical environments
  • UL listing and TAA compliance make it suitable for use in government or regulated industries
  • Durable 5-wire #10 AWG build supports robust, sustained power delivery for industrial applications

Product Overview

The APC Power Extender NEMA L21-20 M/F 4 ft provides a reliable solution for extending three-phase power delivery in commercial and industrial environments. Featuring a 4-foot black cable constructed with 5-wire #10 AWG gauge wiring, it ensures strong capacity for carrying significant electrical loads while maintaining safety standards. The cable is UL-certified, offering compliance with international safety regulations, and it terminates with a NEMA L21-20P plug on one end and a NEMA L21-20R receptacle on the other for seamless integration with matching devices.

Manufactured by APC under Schneider Electric, this power extender supports TAA compliance, allowing use in government and regulated sectors. It's built to deliver long-lasting performance and combines robust physical construction with a 2-year warranty that signals lasting dependability. Its short 4-foot length minimizes excess cabling and improves cable management, especially in rack-based or space-sensitive installations.

Designed and assembled in the United States, this extender cable is a smart choice for critical infrastructure requiring safe and secure high-amperage connections. Whether in data centers, manufacturing lines, or AV setups, it enhances system compatibility and ensures continued operation with dependable power routing.

Specifications

Product Overview
Product Type Three-Phase Power Extension Cable
Form Factor Inline power cable
Cable Length 4 feet
Color Black
Wire Gauge 10 AWG
Number of Conductors 5
Power Rating 20 Amps, 120/208V AC three-phase
Plug Type NEMA L21-20P
Receptacle Type NEMA L21-20R
Warranty 2 years limited

Physical & Environmental
Cable Jacket Material Thermoplastic (assumed IEC-rated)
Flame Retardant Yes (UL certified)
Cable Outer Diameter Approx. 0.75 in (19 mm)
Operating Temperature Range -20°C to 60°C
Storage Temperature Range -25°C to 70°C
Relative Humidity (Operating) 0% to 95% non-condensing

Cloud Management & Licensing
Cloud Management Capable No
Software Licensing Required No
Remote Monitoring Support No

Interfaces
Input Connector NEMA L21-20P (Male)
Output Connector NEMA L21-20R (Female)
Connector Quantity 1 input, 1 output
Connector Configuration Straight
Number of Phase Lines 3 (Three-phase)
Number of Ground Wires 1
Number of Neutral Wires 1

Compliance & Origin
UL Certification Yes
TAA Compliant Yes
Country of Origin United States
RoHS Compliant Yes
REACH Compliant Yes

Advanced Security Features
Surge Protection No
Circuit Breaker No
Locking Connector Yes (twist-lock style)