Skip to content
  • 🛍️ Shop now for the best prices of the season💰 20% off all purchases 🔥
  • 🛍️ Shop now for the best prices of the season💰 20% off all purchases 🔥
AC WORKS ShopAC WORKS Shop
  • Menu
    • No products in the cart.

      Return to shop

  • Cart

    No products in the cart.

    Return to shop

  • Electrical Cords
    • Extension Cords
    • Outlet Adapters & Converters
    • Power Strips
      • Wiring Devices & Light Controls
        • Plug Adapters
        • Electrical Plugs & Connectors
        • Electrical Outlets & Receptacles
  • Power Distribution
    • Electrical Panels & Protective Devices
    • Temporary Power & Disconnects
    • Fuses
  • Motors & Parts
    • Motor Parts & Accessories
  • Electronics
    • Cable Management
      • Electrical Boxes, Conduit & Fittings
        • Weatherproof Boxes
        • Boxes & Brackets
    • TV & Home Theater Accessories
  • Electrical Tools
    • Wire & Conduit Tools
      • Outdoor Power Equipment
        • Outdoor Power Equipment Parts
Home / Wiring Devices & Light Controls / Electrical Plugs & Connectors
  • Range/ RV/ Generator Outlet Adapter 4-Prong 14-50P Plug to 4-Prong 20 Amp Locking L14-20R Adapter by AC WORKS -AC WORKS Shop orange ac works plug adapters ad1450l1420 64 1000
  • NEMA 5-20P 20 Amp 125-Volt Clamp Style Square Plug with UL, C-UL Approval by AC WORKS -AC WORKS Shop black ac works electrical plugs connectors asq520p bk 64 1000
Sale!
NEMA L7-20R 20 Amp 277-Volt 3-Prong Locking Female Connector with UL, C-UL Approval by AC WORKS
NEMA L7-20R 20 Amp 277-Volt 3-Prong Locking Female Connector with UL, C-UL Approval by AC WORKS - Image 2
NEMA L7-20R 20 Amp 277-Volt 3-Prong Locking Female Connector with UL, C-UL Approval by AC WORKS - Image 3
NEMA L7-20R 20 Amp 277-Volt 3-Prong Locking Female Connector with UL, C-UL Approval by AC WORKS - Image 4
NEMA L7-20R 20 Amp 277-Volt 3-Prong Locking Female Connector with UL, C-UL Approval by AC WORKS - Image 5
NEMA L7-20R 20 Amp 277-Volt 3-Prong Locking Female Connector with UL, C-UL Approval by AC WORKS -AC WORKS Shop orange ac works electrical plugs connectors asl720r c3 1000
NEMA L7-20R 20 Amp 277-Volt 3-Prong Locking Female Connector with UL, C-UL Approval by AC WORKS -AC WORKS Shop orange ac works electrical plugs connectors asl720r 4f 1000
NEMA L7-20R 20 Amp 277-Volt 3-Prong Locking Female Connector with UL, C-UL Approval by AC WORKS -AC WORKS Shop orange ac works electrical plugs connectors asl720r 1f 1000
NEMA L7-20R 20 Amp 277-Volt 3-Prong Locking Female Connector with UL, C-UL Approval by AC WORKS -AC WORKS Shop orange ac works electrical plugs connectors asl720r 44 1000

NEMA L7-20R 20 Amp 277-Volt 3-Prong Locking Female Connector with UL, C-UL Approval by AC WORKS

$29.99 Original price was: $29.99.$19.49Current price is: $19.49.

SKU: AC WORKS 319268988 Categories: Electrical Plugs & Connectors, Wiring Devices & Light Controls Tags: AC WORKS, No Remote Access, Nylon, Twist Lock, Wire-In
  • Multiple payment methods, 100% payment security
  • The quality you expect, the service you deserve.
  • Online assistance, always just a message away.
  • Quality and Affordability Combined
Browse
  • Electrical Boxes, Conduit & Fittings
    • Boxes & Brackets
    • Weatherproof Boxes
  • Electrical Cords
    • Extension Cords
      • Extension Cord Accessories
      • General Purpose Cords
      • Generator Cords
      • RV & Marine Cords
    • Outlet Adapters & Converters
    • Power Strips
  • Electrical Tools
    • Wire & Conduit Tools
      • Fish Tape & Poles
  • Electronics
    • Cable Management
      • Cable Organizers
    • TV & Home Theater Accessories
      • Projector Screens
      • TV Mounts
  • Intercoms
  • Motors & Parts
    • Motor Parts & Accessories
  • Outdoor Power Equipment
    • Outdoor Power Equipment Parts
      • Generator Parts
  • Power Distribution
    • Electrical Panels & Protective Devices
      • Circuit Breakers
    • Fuses
    • Temporary Power & Disconnects
      • RV Electrical Panels
      • Transfer Switches & Kits
  • Renewable Energy
    • Wind Generators
      • Home Wind Turbines
  • Uncategorized
  • Wiring Devices & Light Controls
    • Electrical Outlets & Receptacles
    • Electrical Plugs & Connectors
    • Plug Adapters
  • Description
  • Additional information
  • Reviews (0)

This AC WORKS brand NEMA L7-20R wiring device [ASL720R] is made of a very durable construction able to withstand impacts, chemicals, and weather. It has a weather-tight seal and a strain relief structure with SJT, SJO, SOO, STW 12/3, 10/3, or bigger cable specifications. This product features a locking connector, preventing items from becoming unplugged when in use. DIY products have a 1-year limited warranty.

  • NEMA L7-20R
  • 20 Amp, 277-Volt, locking female connector
  • UL, C-UL Listed
  • Fast and easy install
  • Thick quality copper terminals
Color Family

Orange

Package Quantity

1

Product Height (in.)

4 in

Product Depth (in.)

4 in

Manufacturer Warranty

1-Year Limited

Certifications and Listings

UL Listed,cUL Listed

Wire Type

3-Wire Grounding

Voltage

277 volt

Returnable

90-Day

Remote Access

No Remote Access

Rating

General Purpose,Rust Resistant

Plug/Connector

Connector

NEMA Configuration Receptacle

7-20

Color/Finish

Orange

NEMA Configuration

NEMA L7

Mounting Type

Wire-In

Maximum Amperage (amps)

20 A

Material

Nylon

Male/Female

Female,Male

Indoor/Outdoor

Indoor,Outdoor

Grounding

Self-Grounding

Electrical Product Type

Connector

Electrical Features

No Additional Features

Connection Type

Twist Lock

Product Width (in.)

4 in

Reviews

There are no reviews yet.

Be the first to review “NEMA L7-20R 20 Amp 277-Volt 3-Prong Locking Female Connector with UL, C-UL Approval by AC WORKS” Cancel reply

Related products

Sale!
1.5 ft. 4-Prong Dryer Plug to 3-Prong Dryer Female Connector Adapter by AC WORKS
Quick View

Electrical Cords

1.5 ft. 4-Prong Dryer Plug to 3-Prong Dryer Female Connector Adapter by AC WORKS

$67.74 Original price was: $67.74.$44.71Current price is: $44.71.
Sale!
1.5 ft. L14-30P 4-Prong 30 Amp Generator Plug to L6-30R 30 Amp 250-Volt 3-Prong Locking Connector by AC WORKS
Quick View

Electrical Cords

1.5 ft. L14-30P 4-Prong 30 Amp Generator Plug to L6-30R 30 Amp 250-Volt 3-Prong Locking Connector by AC WORKS

$39.99 Original price was: $39.99.$23.99Current price is: $23.99.
Sale!
1.5 ft. EVSE 30 Amp 3-Prong NEMA 10-30P Dryer Plug to 50 Amp Electric Vehicle Adapter Cord for Tesla Model S by AC WORKS
Quick View

Electrical Cords

1.5 ft. EVSE 30 Amp 3-Prong NEMA 10-30P Dryer Plug to 50 Amp Electric Vehicle Adapter Cord for Tesla Model S by AC WORKS

$59.99 Original price was: $59.99.$37.79Current price is: $37.79.
Sale!
1 ft. 12/3 STW 15 Amp Household Plug to 20 Amp T-Blade 125-Volt Adapter Cord by AC WORKS
Quick View

Electrical Cords

1 ft. 12/3 STW 15 Amp Household Plug to 20 Amp T-Blade 125-Volt Adapter Cord by AC WORKS

$21.99 Original price was: $21.99.$13.19Current price is: $13.19.
Sale!
AC Connectors 10 ft. 10/4 Heavy Duty SOOW L14-30 30 Amp 125/250-Volt Generator Rubber Extension Cord by AC WORKS
Quick View

Electrical Cords

AC Connectors 10 ft. 10/4 Heavy Duty SOOW L14-30 30 Amp 125/250-Volt Generator Rubber Extension Cord by AC WORKS

$118.77 Original price was: $118.77.$84.33Current price is: $84.33.
Sale!
25 ft. NEMA 5-20 T-Blade Indoor/Outdoor Extension Cord with Indicator Light by AC WORKS
Quick View

Electrical Cords

25 ft. NEMA 5-20 T-Blade Indoor/Outdoor Extension Cord with Indicator Light by AC WORKS

$49.45 Original price was: $49.45.$37.09Current price is: $37.09.
Sale!
1.5 ft. 10/3 STW 30 Amp TT-30P RV/Travel Trailer Plug to 30 Amp L14-30R (2-Hots Bridged) Adapter by AC WORKS
Quick View

Electrical Cords

1.5 ft. 10/3 STW 30 Amp TT-30P RV/Travel Trailer Plug to 30 Amp L14-30R (2-Hots Bridged) Adapter by AC WORKS

$43.29 Original price was: $43.29.$29.44Current price is: $29.44.
Sale!
1.5 ft. Adapter NEMA 14-50P RV/Range/Generator Plug to (4) Household Outlets with 20 Amp Breaker by AC WORKS
Quick View

Electrical Cords

1.5 ft. Adapter NEMA 14-50P RV/Range/Generator Plug to (4) Household Outlets with 20 Amp Breaker by AC WORKS

$95.67 Original price was: $95.67.$68.88Current price is: $68.88.
ABOUT US
  • About Us
  • FAQ
  • Returns & Exchanges
  • Delivery
  • Contact Us
LEGAL
  • Privacy Policy
  • Payment Method
  • Shipping & Returns
  • Term and Conditions
MY ACCOUNT
  • Cart
  • Checkout
  • My account
  • Wishlist
STAY IN TOUCH

Subscribe to be the first to hear about our exclusive offers and latest arrivals

    Copyright 2026 © www.fusesbestbuy.com
    • Electrical Cords
      • Extension Cords
      • Outlet Adapters & Converters
      • Power Strips
        • Wiring Devices & Light Controls
          • Plug Adapters
          • Electrical Plugs & Connectors
          • Electrical Outlets & Receptacles
    • Power Distribution
      • Electrical Panels & Protective Devices
      • Temporary Power & Disconnects
      • Fuses
    • Motors & Parts
      • Motor Parts & Accessories
    • Electronics
      • Cable Management
        • Electrical Boxes, Conduit & Fittings
          • Weatherproof Boxes
          • Boxes & Brackets
      • TV & Home Theater Accessories
    • Electrical Tools
      • Wire & Conduit Tools
        • Outdoor Power Equipment
          • Outdoor Power Equipment Parts
    • Login

    Login

    Lost your password?

    Register

    Your personal data will be used to support your experience throughout this website, to manage access to your account, and for other purposes described in our privacy policy.