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Guangdong Yuadon Electric Co., Ltd.

We provide customers with quality electrical plugs such as electrical plug converter,international power adapter and nema power plugs with high-quality services.


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20a 480v 2 Pole 3 Wire Grounding L820C YUADON Connector

20a 480v 2 Pole 3 Wire Grounding L820C Connector NEMA L8-20C 20A Locking Cord Connector

  • Product Item: Twist-Lock Connector

  • NEMA Configuration: L8-20C

  • Rated Current: 20A

  • Rated Voltage: 480V

  • Wiring Scheme: 2 Pole, 3 Wire Grounding

  • Listings: UL / cUL  E350413

  • Sample day: 1-3 days

  • Lead time: 3-4days

  • Guarantee: 365 days

Production details


UL (CSA/CUL) Listed 20A 480V AC Power NEMA L8-20R L8-20C (L820) Twist Lock Receptacle Connector 2 Pole 3 Wire Grounding Impact and Corrosion Resistant Dupont Nylon Shell Material

Basic Information

Product Item

Locking Type Connector

Model number


NEMA Configuration


Wiring Scheme

2 Pole, 3 Wire Grounding


20 Amp


480V AC



Blade Holder Material


Retainer Material

Clear Polycarbonate

Housing Material


Cord Clamp Material


Blade Material


Power contacts Material

.0315’’(0.8m/m) Brass Alloy

Terminal Screw Material

#8-32 Brass

Ground Screw Material

#8-32 Brass(Green)


UL 94 V-0


UL/cUL  E350413

Rohs Compliant


Shipping way

by air/sea/express

Place of Origin

Guangdong, China (Mainland)

Sample day

1-3 days

Mass order Lead time




1. Item: NEMA L8-20 Twist Lock Connector (also called out as L8-20C), part number L820C
2. Rated at 20A 480VAC , this twist lock connector offers back and side wiring terminals that accept #18 thru #8 AWG solid or stranded conductors.
3. UL(CSA/ CUL ) Listed and UL File Number is E350413
4. Made with dupont nylon shell and full copper, Impact and corrosion resistant.
5. Double dovetail design, provides superior protection against cord pull-out forces.
6. Raised ribs provide non-slip gripping profile and Scallop shell design provides non-slip gripping surface  for insertion and withdrawal.
7. Quick-thread assembly: screws and cord-grip screws come backed-out, ready to wire for turning to lock and unlock.
8. Brass alloy plug (full brass pin), Industrial grade, effectively resit heat rise, provide excellent condfuctivity.
9. New-design external cord grips, which provides visible assurance of safe and proper cord retention.
10. Flexible rubber cord grommet conforms to power cord to protection from oils water or chips entering wiring chamber.

How to buy from us?

1. Please confirm the Products and quantities that you would like to purchase by contacting our sales persons.
2. We will send you a Proforma Invoice once we get your order list, and will help you calculate the best freight charge, by courier, by air or by sea if required.
3. After you send us the payment, please provide the bank copy if possible, so that we can start to arrange production asap.
4. As soon as the goods are shipped out, we will let you know the tracking number.
5. For after sales-service. Please contact the sales persons directly or contact us.


This charger adapter plug converts the power outlet only, Please don't use it with any high power appliances such as hair dryer, straightener and water heater. Please make sure your device carries an electrical converter when you travel to other countries with different electrical output.

Trade Condition

1. MOQ: 100 pcs / per model after sample order.

2. Payment Terms: T/T, Paypal and L/C for option.

a. By T/T: Bank transfer to YUADON company bank account
b. By Paypal: There will be 4% of total price as paypal fee.
c. By L/C(letter of credit): the order is more than USD10,000.

3. Shipment

We have a Strong cooperation with our forwarder, so we will give a best shipping cost to you
A. For small order, ship by DHL, EMS, UPS, FedEx international express.
B. For big order, ship by Air or by Sea.

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