Monoprice

Monoprice 140129 Heavy Duty Extension Cord

5.0 (1 reviews)

Reliable Power Extension for High-Output Devices The Monoprice Heavy Duty Extension Cord provides a robust and dependable power connection for your high-performance computers and network devices. Featuring 12 AWG conductors, this 3-foot extension cord is designed to handle the demands of servers...

$9.48*$10.78Save 12%
In Stock on Amazon.com
View on Amazon

*Price sourced from Amazon.com. Last updated:Jul 14, 2026.Price and availability are subject to change.

Affiliate Disclosure: Studio Supplies may earn a commission from qualifying purchases made through links on this page, at no additional cost to you. This helps support our editorial team.

Notice a mistake? Let Us Know

Overview

Reliable Power Extension for High-Output Devices

The Monoprice Heavy Duty Extension Cord provides a robust and dependable power connection for your high-performance computers and network devices. Featuring 12 AWG conductors, this 3-foot extension cord is designed to handle the demands of servers, routers, and other high-output equipment. The IEC 60320 C20 to IEC 60320 C19 connectors ensure a secure and reliable connection to UPS systems, PDUs, or as a replacement for standard power cords.

Specifications:

  • Brand: Monoprice
  • Model: 140129
  • Length: 3 Feet
  • Connectors: IEC 60320 C20 to IEC 60320 C19
  • Conductor Gauge: 12 AWG
  • Color: Black

Key Features

Recommended for powering servers, routers, and other high-output network devices.

IEC 60320 C20 to C19 cord replaces or upgrades a standard power cord provided by the manufacturer.

Thick 12 AWG conductors manage the high power levels required for larger equipment.

Extend the length of an existing power cord for more flexibility.

Colored cord is designed for easy identification in a high-density data environment.

Specifications

Brand
Monoprice
Model
140129
Product Type
Heavy Duty Extension Cord
Connector Type
IEC 60320 C20 to C19
Wire Gauge
12 AWG
Recommended Use
Powering servers, routers, high-output network devices
Feature
Colored cord for easy identification

Pros & Cons

👍 Pros

  • Recommended for powering high-output network devices such as servers and routers.
  • Features thick 12 AWG conductors, designed to manage high power levels for larger equipment.
  • The colored cord is specifically designed for easy identification in high-density data environments.
  • Allows for extending the length of an existing power cord, offering greater flexibility in setup.
  • The IEC 60320 C20 to C19 cord replaces or upgrades standard power cords for specific equipment.

👎 Cons

  • The cable is designed for C20 to C19 connections, which is a specific standard and not universally compatible with all devices.
  • The specific length of the extension cord is not provided in the product description.
  • Only available in one color as a "colored cord," without options for specific color choices or standard black.
  • Its heavy-duty nature might make it less flexible and harder to route in tight spaces compared to thinner cords.
  • The product information does not specify if it's rated for outdoor use or includes any weather resistance.

Frequently Asked Questions

This heavy-duty extension cord is recommended for powering high-output network devices, such as servers and routers.
This cord features IEC 60320 C20 to C19 connectors, designed to replace or upgrade standard power cords provided by manufacturers for compatible equipment.
The cord is constructed with thick 12 AWG conductors, which are engineered to manage the high power levels required by larger and more demanding equipment.
The colored cord is a design feature intended for easy identification in high-density data environments, helping to reduce confusion among multiple cables.
Yes, one of its primary functions is to extend the length of an existing power cord, providing more flexibility in device placement and setup.