Monoprice
Monoprice 135064 2ft Locking Extension Cord - Heavy Duty
★★★★★
Reliable Power Extension with a Secure Connection The Monoprice Heavy Duty Extension Cord provides a safe and secure power connection for your equipment. With its locking connector and durable construction, it's ideal for demanding applications. Specifications: Connector Type: NEMA L5-20R to...
$12.48*
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*Price sourced from Amazon.com. Last updated:Jul 14, 2026.Price and availability are subject to change.
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Overview
Reliable Power Extension with a Secure Connection
The Monoprice Heavy Duty Extension Cord provides a safe and secure power connection for your equipment. With its locking connector and durable construction, it's ideal for demanding applications.
Specifications:
- Connector Type: NEMA L5-20R to NEMA 5-20P
- Wire Gauge: 12AWG
- Amperage: 20A
- Voltage: 120V
- Length: 2 Feet
- Jacket Type: Sjt
Key Features
Nema L5-20R to NEMA 5-20P
This Monoprice L5-20R to 5-20P heavy-duty power adapter transforms a NEMA 5-15/20R straight-blade outlet to a locking L5-20R outlet.
Buy with confidence: with Monoprice Lifetime Warranty on all cables, you can rest assured we stand behind our products and our customers
Quality at a fair price: Monoprice rugged design and rigid quality control standards deliver high quality products at fair prices.
Service & Support: you're never on your own with Monoprice products! We have a full team of friendly and knowledgeable technicians available to answer your questions
Specifications
Length
2ft
Connector Type 1
NEMA L5-20R (locking)
Connector Type 2
NEMA 5-20P (straight-blade)
Feature
Heavy-duty construction
Warranty
Monoprice Lifetime Warranty
Pros & Cons
👍 Pros
- Transforms a NEMA 5-15/20R straight-blade outlet into a locking L5-20R outlet, enhancing connection security
- Features heavy-duty construction, suggesting robust durability for demanding power applications
- Offers a NEMA L5-20R to NEMA 5-20P configuration, providing specific electrical compatibility
- Backed by Monoprice Lifetime Warranty, assuring long-term confidence in the product's reliability
- Manufactured with rugged design and rigid quality control, ensuring high-quality performance at a fair price
👎 Cons
- This extension cord is an adapter for specific NEMA outlets, which may not be suitable for general household use
- The 2ft length, while preventing clutter, may be too short for applications requiring longer reach
- The product description does not specify the maximum wattage or amperage supported, which is critical for heavy-duty use
- Requires existing NEMA 5-15/20R outlets to function, limiting its applicability to specific electrical setups
- The "heavy-duty" aspect is mentioned, but specific material composition or jacket rating (beyond the NEMA type) is not provided
Frequently Asked Questions
What kind of outlets does this Monoprice extension cord connect?
This Monoprice extension cord connects a NEMA 5-15/20R straight-blade outlet to a locking L5-20R outlet.
What is the length of this extension cord?
This heavy-duty locking extension cord has a length of 2 feet.
Is this a heavy-duty extension cord?
Yes, it is described as a heavy-duty power adapter.
What does the Monoprice Lifetime Warranty cover?
The Monoprice Lifetime Warranty ensures confidence in the product, indicating support for the cables.
Can this adapter be used for any electrical device?
This adapter is designed to transform specific NEMA outlets, meaning its use is restricted to devices compatible with the NEMA L5-20R and 5-20P configurations.
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