Monoprice

Monoprice 140145 Heavy Duty Locking Extension Cord 15ft

Ensure a Secure and Reliable Power ConnectionThe Monoprice Heavy Duty Extension Cord provides a secure and reliable power connection for network servers and other high-power devices. Featuring locking connectors and heavy-gauge wiring, this extension cord is designed to handle high-current loads ...

$75.28*
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*Price sourced from Amazon.com. Last updated:Jul 15, 2026.Price and availability are subject to change.

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Overview

Ensure a Secure and Reliable Power Connection

The Monoprice Heavy Duty Extension Cord provides a secure and reliable power connection for network servers and other high-power devices. Featuring locking connectors and heavy-gauge wiring, this extension cord is designed to handle high-current loads and prevent accidental disconnections. Ideal for use with PDUs, UPSs, and other AC power sources.

Specifications

  • Brand: Monoprice
  • Model: 140145
  • Length: 15 Feet
  • Color: Black
  • Connectors: NEMA L5-30P to NEMA L5-30R (Locking)
  • Wire Gauge: 10AWG
  • Amperage: 30A
  • Voltage: 125V
  • Cable Type: SJT

Key Features

Recommended for high-performance computers and network devices requiring higher voltage.

The NEMA L5-30P locking connector allows it to be securely plugged into the power outlet for important equipment.

Connect commercial equipment requiring high voltage, such as computers, servers, and monitors to a PDU or UPS in a data center.

Designed for high-density data environments.

Connect network servers and other peripherals that require heavier-gauge cabling with a PDU, UPS, or other AC power source with a NEMA L5-30R locking outlet.

Specifications

Cable Type
Heavy Duty Locking Extension Cord
Length
15ft
Connector Type
NEMA L5-30P (locking)
Recommended Use
High-performance computers, Network devices, Commercial equipment, Servers, Monitors
Environment
High-density data environments
Compatible Outlets
NEMA L5-30R locking outlet

Pros & Cons

👍 Pros

  • Features a NEMA L5-30P locking connector, designed to securely plug into power outlets for important equipment
  • Recommended for high-performance computers and network devices that demand higher voltage
  • Suitable for connecting commercial equipment such as servers and monitors to a PDU or UPS in a data center
  • Designed specifically for use in high-density data environments, ensuring reliable power delivery
  • Enables connection of network servers and peripherals requiring heavier-gauge cabling to compatible AC power sources

👎 Cons

  • The 15ft length might be too short for some installations requiring longer cable runs between devices and power sources
  • The NEMA L5-30P locking connector is specific and may not be compatible with standard outlets or non-locking power receptacles
  • This heavy-duty cable is designed for higher voltage applications, making it unsuitable for low-power or standard household electronics
  • Its specialization for data centers and commercial equipment means it might be an unnecessary overkill for basic home office setups
  • The cable is designed for a specific type of connection and may not be universally adaptable to all power distribution units without proper outlets

Frequently Asked Questions

This Monoprice extension cord features a NEMA L5-30P locking connector, designed to ensure a secure plug into compatible power outlets.
The Monoprice 140145 heavy-duty extension cord is 15 feet long, offering a specific reach for various equipment setups.
It is recommended for high-performance computers and network devices that require higher voltage, as well as commercial equipment like servers and monitors.
No, this cable is designed for use with specific NEMA L5-30R locking outlets, not standard household receptacles.
Yes, this cable is designed for high-density data environments and is suitable for connecting network servers to PDUs or UPS systems.