Eaton L820PWBK Watertight locking plug - IP67
Part Number: L820PWBK
Quick Summary
The Eaton L820PWBK watertight locking plug is a rugged back-wired connection for L8-20 industrial outlets in harsh environments. Engineers often struggle with water ingress, dust intrusion, and unreliable terminations in washdown or outdoor setups. This plug is RoHS compliant, cULus listed, and IP67-rated, offering robust protection for demanding applications while supporting safe, code-compliant installations. With its durable nylon face and Santoprene sealing, it delivers long service life and predictable performance, reducing downtime. By integrating this locking plug into control panels and industrial equipment, you gain reliability, faster wiring, and lower maintenance costs without sacrificing safety or regulatory alignment. Secondary benefits include compatibility with standard back-wiring practices and army of compatible Eaton accessories for scalable deployments.
Product Information
Extended Description
L820PWBK Eaton: Eaton Arrow Hart watertight locking plug, #18-10 AWG, 20A, Industrial, 480V, Back wiring, Black, Steel, Watertight, L8-20, Two-pole, Three-wire, Santoprene, 0.36 to 0.84 in, IP67
Product Name
Eaton Arrow Hart watertight locking plug
Catalog Number
L820PWBK
UPC
032664709678
Product Length/Depth
6.38 in
Product Height
3.82 in
Product Width
4.4 in
Product Weight
1.025 lb
Compliances
RoHS Compliant
Certifications
cULus Listed
Amperage Rating
20A
Degree of protection
IP67
NEMA configuration
L8-20
Number Of Poles
Two-pole
Number of wires
Grounding 3
Torque rating
14-16 lbf-inch
Voltage rating
480 V
Environmental resistance
NEMA 6 IP67 NEMA 4X NEMA 6P NEMA 4
Allowable wire size
#18-10 AWG
Wiring method
Back
Color
Black
Contact material
Nickel plated brass
Application
Industrial
Cord diameter
0.36-0.84 in
Design type
Watertight locking plug
Device grade
Extra heavy-duty industrial specification grade
Face/body material
Nylon
Material
Santoprene
Special features
Watertight
Type
Locking plug
Feature: Watertight locking design prevents ingress and accidental disconnection → Business Impact: increases equipment uptime and reduces maintenance in wet or dusty environments → Application: outdoor motors, conveyors, and washdown areas. Feature: 20A at 480V electrical rating → Business Impact: supports high-demand loads with a compact connector footprint → Application: industrial drives and control circuits requiring robust power delivery. Feature: Back wiring and #18-10 AWG suitability → Business Impact: simplifies field terminations, cuts installation time, lowers labor cost → Application: panel terminations and field connections in rugged facilities. Feature: Durable nylon body with nickel-plated brass contacts → Business Impact: enhanced corrosion resistance and extended life in harsh environments → Application: exposed installations and high-humidity plants. Feature: IP67/NEMA compatibility (L8-20) plus RoHS and cULus listing → Business Impact: ensures regulatory compliance and protection across diverse regions → Application: global manufacturing plants and multi-site deployments. Feature: Torque rating 14-16 lbf-in → Business Impact: ensures reliable, repeatable connections with consistent performance → Application: field assembly and maintenance routines in industrial settings. Feature: Cord diameter 0.36-0.84 in and Santoprene seal → Business Impact: accommodates flexible cording while maintaining watertight integrity → Application: variable cable bundles in equipment enclosures. Feature: 0.36-0.84 in range and 2-pole, grounding 3 → Business Impact: versatile wiring options that support common industrial configurations → Application: control panels and power distribution blocks in harsh environments.
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FAQs
The L820PWBK is a two-pole locking plug designed for back-wired connections on L8-20 industrial outlets. It provides a watertight, secure mating suitable for harsh environments such as washdown zones, outdoor installations, and high-dust facilities, ensuring reliable power delivery to motors, drives, and control panels.
This plug is rated for 20A at 480V with back wiring and supports #18-10 AWG conductors. It features a two-pole configuration with grounding (3 wires total) and a torque range of 14-16 lbf-in to ensure consistent, secure terminations during field installation.
Yes. The L820PWBK carries IP67 protection (also aligns with NEMA 6/4X ratings in its environmental specs), providing ingress protection against water and dust. It is RoHS compliant and cULus listed, making it suitable for use in demanding washdown environments and across regulated facilities.
When back-wiring the L820PWBK, ensure conductor size falls within #18-10 AWG and tighten to 14-16 lbf-in as specified. Use the nickel-plated brass contacts within the nylon body for corrosion resistance, and verify the seal and enclosure clearance to maintain IP67 integrity in your enclosure designs.
The L820PWBK is RoHS compliant and cULus Listed, confirming regulatory compliance for RoHS restrictions and safety standards. This combination supports worldwide deployment in regulated markets and helps streamline supplier qualification and documentation.