Eaton L1920RWBK Watertight Locking Receptacle - IP66
Part Number: L1920RWBK
Quick Summary
Eaton L1920RWBK watertight locking receptacle provides secure, high-amperage power connections for industrial equipment in harsh environments. Installers often face water ingress and corrosion risks in outdoor or washdown areas; this receptacle offers a robust solution with four-pole locking contacts and rugged thermoplastic construction. The unit carries NOM and cULus listings, and it is rated IP66 for dependable protection against dust and water, plus compatibility with NEMA configurations such as L19-20. These certifications and ratings translate to safer, compliant installations and reduced maintenance overhead. For businesses, the combination of back wiring convenience, 277/480V capability, and back-wiring compatibility supports streamlined panel design and faster field service. This makes it a reliable, long-term choice for industrial power distribution.
Product Information
Extended Description
L1920RWBK Eaton: Eaton Arrow Hart watertight locking receptacle, #14-8 AWG, 20A, Industrial, 277/480V, Back wiring, Black, Single, Watertight, L19-20, Four-pole, Four-wire, Thermoplastic
Product Name
Eaton Arrow Hart watertight locking receptacle
Catalog Number
L1920RWBK
UPC
032664709203
Product Length/Depth
6.75 in
Product Height
4 in
Product Width
4.25 in
Product Weight
1.025 lb
Certifications
NOM cULus Listed
Amperage Rating
20A
NEMA configuration
L19-20
Number Of Poles
Four-pole
Number of wires
Non-grounding 4
Receptacle type
Locking
Voltage rating
3ØY 277/480 V
Environmental resistance
NEMA 12 NEMA 4 NEMA 4X IP66 NEMA 3R NEMA 3
Allowable wire size
#14-8 AWG
Wiring method
Back
Color
Black
Contact material
Nickel plated bronze
Application
Industrial
Design type
Single receptacle
Device grade
Extra heavy-duty industrial specification grade
Face/body material
Glass filled nylon
Material
Thermoplastic
Special features
Watertight
Type
Locking receptacle
Feature: Watertight construction and IP66 rating; Benefit: Protects connections from dust and water ingress, reducing corrosion risk and downtime in washdown environments; Application: Outdoor industrial equipment and food processing facilities. Feature: Four-pole, four-wire locking receptacle with 277/480V three-phase capacity; Benefit: Supports high-power industrial loads with secure connections, improving safety and reducing fire hazards; Application: Control panels and motor starters in manufacturing lines. Feature: Back wiring method and #14-8 AWG conductors; Benefit: Faster, cleaner field terminations with reliable contact integrity; Application: Installation in compact electrical enclosures where space is at a premium. Feature: Nickel-plated bronze contacts; Benefit: Enhanced conductivity and wear resistance for long-life performance under heavy-duty use; Application: Repeated mating cycles in commercial and industrial connectors. Feature: Thermoplastic, glass-filled nylon face/body; Benefit: Tough, impact-resistant housing that withstands harsh environments; Application: Harsh-washdown environments and outdoor installations. Feature: NOM and cULus listings; Benefit: Regulatory compliance reduces risk during audits and eases cross-border deployments; Application: Global manufacturing sites requiring certified components.
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FAQs
The L1920RWBK supports back wiring with #14-8 AWG conductors, enabling quick, clean terminations in compact panels. This method reduces wiring complexity and improves conductor management in dense electrical assemblies, while maintaining secure, code-compliant connections.
This receptacle is a four-pole, four-wire locking unit rated for 20A and 277/480V three-phase power (NEMA L19-20). It is compatible with industrial power systems requiring secure locking connections and can be used in mixed-voltage installations common to manufacturing facilities.
Yes. It features watertight construction with IP66 protection and NEMA 12/4/4X compatibility, making it well-suited for outdoor or washdown environments where moisture and dust exposure are concerns. The rugged thermoplastic body adds durability against impact and chemical exposure.
The unit is NOM and cULus Listed, which supports compliance with North American electrical standards. These certifications, along with its IP66-rated protection, help ensure safer installations and smoother regulatory audits across multiple facilities.
The nickel-plated bronze contacts and durable thermoplastic housing reduce wear and corrosion, lowering maintenance needs and downtime. Its long-term reliability translates to lower replacement costs and faster service in facilities with frequent 277/480V, three-phase power requirements.