Eaton L1420PWBK Watertight Locking Plug - IP67
Part Number: L1420PWBK
Quick Summary
The Eaton L1420PWBK watertight locking plug provides rugged, back-wired power connections for industrial equipment in harsh environments. Manufacturers and maintenance teams often struggle with moisture intrusion, corrosion, and unexpected downtime when connectors fail. This design delivers IP67 protection, RoHS compliance, and cULus NOM listings, aligning with demanding safety and regulatory requirements in industrial settings. By combining a back-wire setup, a 125/250 V rating, and the L14-20 configuration, this plug helps accelerate field wiring, reduce maintenance time, and improve overall equipment reliability. The rugged housing supports heavy-duty industrial cycles, while the nickel-plated brass contacts deliver consistent current transfer. Engineers value the combination of robust sealing and straightforward installation for uptime and cost reduction.
Product Information
Extended Description
L1420PWBK Eaton: Eaton locking plug, #18-10 AWG, 20A, Industrial, 125/250V, Back wiring, Black, Steel, Watertight, L14-20, Three-pole, Four-wire, Santoprene, 0.36 to 0.84 in, IP67
Product Name
Eaton Arrow Hart watertight locking plug
Catalog Number
L1420PWBK
UPC
032664708923
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 NOM
Amperage Rating
20A
Degree of protection
IP67
NEMA configuration
L14-20
Number Of Poles
Three-pole
Number of wires
4 Grounding
Torque rating
14-16 lbf-inch
Voltage rating
125/250 V
Environmental resistance
IP67 NEMA 6P NEMA 6 NEMA 4 NEMA 4X
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 IP67 sealing with a Santoprene gasket and nickel-plated brass contacts protects against moisture, dust, and contaminants. Business Impact: extends equipment life, reduces corrosion-related failures, and lowers maintenance costs in washdown and outdoor environments. Application: ideal for motors, pumps, and conveyors in harsh facilities. Feature: Back wiring accepts #18-10 AWG and uses a 14-16 lbf-in torque for secure, field-assemblable terminations. Business Impact: speeds installation, minimizes rework, and ensures reliable electrical connections under vibration. Application: field wiring in industrial panels and remote equipment.Feature: L14-20, three-pole, four-wire configuration rated at 125/250 V and 20 A. Business Impact: supports common 3-phase/multi-wire systems with a robust locking mechanism that prevents accidental disconnection during operation. Application: portable power distribution in manufacturing and processing plants.Feature: Nylon face/body with Santoprene seals and nickel-plated brass contacts for durability. Business Impact: delivers chemical resistance, thermal stability, and consistent conductivity over time, reducing replacement cycles. Application: harsh environments, including chemical plants and outdoor installations.Feature: Compliance and certifications including RoHS, cULus Listed, and NOM. Business Impact: ensures regulatory alignment, simplifies procurement approvals, and reduces compliance risk. Application: procurement for regulated industries seeking reliable, standards-aligned connectors.
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FAQs
Back wiring accepts #18-10 AWG conductors; strip insulation per connector guidelines, insert into the back-wire terminals, and torque to 14-16 lbf-in. Ensure the ground is properly connected and verify strain relief if included. This method speeds installations while maintaining a secure, code-compliant connection.
The plug is RoHS compliant and cULus Listed with NOM certifications, aligning with environmental and safety requirements. It also carries IP67 environmental protection, supporting operation in wet or dusty industrial settings and reducing regulatory risk.
The L1420PWBK is an L14-20, three-pole, four-wire locking plug rated for 125/250 V at 20 A. It’s designed for reliable power distribution in multi-wire 3-phase or mixed systems commonly found in industrial plants.
Yes. The IP67 rating, along with NEMA 6P/6/4/4X compatibility, provides robust ingress protection against water and dust, making it suitable for washdown, outdoor installations, and harsh manufacturing environments.
The locking mechanism reduces accidental disconnections in vibration-heavy settings, while back wiring and compatible wire sizes simplify field terminations. Durable nickel-plated brass contacts and Santoprene seals improve long-term reliability, lowering maintenance frequency and extending equipment uptime.