Black Extension Cable NEMA L5-20P to NEMA L5-20R 20A 125V
Reference guide:NEMA connector guide →
6
configurations
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Made to orderColor — Black
Length — 3 Feet
Made to orderColor — Black
Length — 25 Feet
About Black Extension Cable NEMA L5-20P to NEMA L5-20R 20A 125V
NEMA L5-20 20A 125V TWIST LOCK Extension Cords are available in standard molded lengths, custom low volume mounted lengths and colors, and custom high volume lengths and colors. Standard jacket type is SJT. Rubber jacket is available upon request. BLUE, GREEN, YELLOW and other colors available upon request.
The plugs and connectors in this collection
What each end is, what it mates with, and where to find every cord built on it.

Plug · NEMA
NEMA L5-20P
- 20 Amps
- 125 volts
On 6 of the cords here
The NEMA L5-20P is a 3 Wire 3 Blade grounded plug featuring three blades arranged in a circular pattern, rated up to 125V AC and 20 Amps. The NEMA L5-20P's blades are further separated than the NEMA L5-15P and is used in applications that require high amperage such as industrial/professional appliances. The locking feature prevents the plug from accidental disconnecting from the outlet, preventing power loss.
Mates with NEMA L5-20R Outlet

Connector
NEMA L5-20R
- 20 Amps
- 125 volts
On 6 of the cords here
The NEMA L5-20R is a twist-locking NEMA connector that is rated for 125VAC and 20 Amps of power in North America. The Twist Lock configuration can lock into place by twisting the plug and connector after mating. This is an effective solution for high-traffic areas and powering equipment like electrical motors that should not be unplugged under load.
Mates with NEMA L5-20P Inlet
About Black Extension Cable NEMA L5-20P to NEMA L5-20R 20A 125V
World Cord Sets supplies black extension cable nema l5-20p to nema l5-20r 20a 125v from our East Windsor, Connecticut headquarters, with manufacturing across US and overseas facilities. Cords are tested and certified to spec before shipment. We stock 6+ configurations and build custom cords to order — hand-terminated builds from in-stock components typically ship in 3–4 business days. In-stock orders placed by 2:30 PM ET ship the same day from our Connecticut warehouse.
Current rating
20 Amps
Voltage rating
125 volts
Plug (male end)
NEMA L5-20P
Connector (female end)
NEMA L5-20R
Certifications & compliance
- RoHS
- UL
- cUL
- REACH
- Every cord we build is hi-pot tested
- Same-day shipping by 2:30 PM ET
- NET 30/60/90 for approved accounts
- In-house engineering and compliance support
Frequently asked questions
- What certifications do these power cords carry?
- UL and cUL-listed cord sets across the catalog, with 30+ international approval marks (VDE, ENEC, PSE, SAA, CCC, KC and more) on country-specific cords. The approvals each part carries are listed on its product page; documentation is available from sales.
- Do you require a minimum order quantity?
- No. We sell from 1 cord to 100,000. Volume discounts apply automatically at quantity breaks — you'll see pricing tiers on every product page.
- Can I get a custom length or color?
- Yes. Custom lengths and non-standard colors are hand-terminated in our Connecticut shop — typically 3–4 business days from in-stock components. Call (860) 763-2100 or submit a quote request with your specs.
- How fast does this ship?
- In-stock orders placed by 2:30 PM ET ship the same day via FedEx or UPS. All standard configurations are stocked in East Windsor, CT.