Eaton 4509-BOX Plug - UL NOM 6221 02

Part Number: 4509-BOX
Manufacturer
Eaton
Part number
4509-BOX

Quick Summary

Eaton 4509-BOX plug delivers a rugged, back-wire straight blade connection for commercial power distribution. Wiring in tight electrical panels is easier with secure back-wire terminations that stay put, reducing rework and callouts. RoHS compliant, UL listed, and Federal Specification Classification 6221 02 mark it for reliable, code-compliant operation in commercial environments. Designed for #18-12 AWG conductors, 20A at 250V, this yellow vinyl unit supports fast installation without sacrificing safety. Its ED Box packaging and brass contacts help simplify on-site handling and long-term durability, making it a practical choice for installers and procurement teams seeking consistent, repeatable performance.

Product Information

Extended Description

4509-BOX Eaton: Eaton Arrow Hart straight blade plug , #18-12 AWG, 20A, Commercial, 250V, Back wire, Yellow, Brass, Vinyl, 6-20P, Two-pole, three-wire, grounding, Screw, 0.25-0.66" in diameter, Vinyl, ED Box
Product Name
Eaton Arrow Hart straight blade plug
Catalog Number
4509-BOX
UPC
032664340000
Product Length/Depth
2.5 in
Product Height
1.5 in
Product Width
1.5 in
Product Weight
0.1 lb
Compliances
RoHS Compliant
Certifications
UL NOM Federal Specification Classification 6221 02
Device type
Plug
Type
Plug
Amperage Rating
20A
Voltage rating
250V
Contact material
Brass
Application
Commercial
Device grade
Commercial specification grade
Wiring method
Back wire
Number of wires
3
Number Of Poles
Two-pole
Style type
Straight body
Cord range
0.25-0.66" in diameter
Material
Vinyl
Packaging type
ED Box
Color
Yellow
Connection type
Screw
Allowable wire size
#18-12 AWG
NEMA configuration
6-20P
Torque rating
15 lbf-inch
Design type
Straight blade
Face/body material
Vinyl
Receptacle type
Two-pole, three-wire, grounding
Feature: Back-wire termination supports quick, secure wire insertion for #18-12 AWG conductors. Business Impact: Reduces install time and minimizes chance of loose connections, improving field reliability and reducing callouts. Application: Ideal for commercial wiring devices in office and industrial spaces that demand repeatable terminations and efficient maintenance. Feature: NEMA configuration 6-20P with two poles, three wires, and grounding. Business Impact: Ensures safe operation on 250V circuits with proper grounding, enhancing overall system protection and compliance. Application: Suitable for 20A 250V power distribution in commercial panels and equipment rooms. Feature: Vinyl body with brass contact material and yellow color. Business Impact: Provides durable, corrosion-resistant performance with high visibility for quick identification in complex assemblies. Application: Longevity in harsh environments and easier wiring audits in manufacturing lines. Feature: RoHS compliant and UL listed with Federal Specification 6221 02. Business Impact: Aligns with regulatory demands, reduces sourcing risk, and accelerates procurement cycles. Application: Regulatory-conscious projects and code-compliant installations across commercial facilities. Feature: ED Box packaging and 0.25-0.66 inch wire range compatibility. Business Impact: Improves handling, reduces damage in transit, and broadens on-site wiring flexibility. Application: Warehouse stocking and field installs where ease of access and protection matter. Feature: 15 lbf-in torque rating and 20A, 250V rating. Business Impact: Ensures reliable terminal tightness and consistent electrical performance, lowering rework due to loose terminations. Application: Critical in panel assemblies and fixed power distribution setups where vibration is a concern.

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FAQs

The 4509-BOX uses back-wire termination suitable for #18-12 AWG conductors, with a 0.25-0.66 inch cable diameter range. It is a two-pole, three-wire grounding configuration compatible with a 6-20P NEMA setup and has a torque rating of 15 in-lbf to ensure secure terminations.
This plug is RoHS compliant and UL listed, carrying Federal Specification Classification 6221 02. These certifications support code compliance in commercial installations and provide assurance of part integrity and safety.
Yes. It is rated for 20A at 250V and configured as a 6-20P NEMA device, making it suitable for commercial power distribution tasks that require reliable back-wire connections and grounding in a 250V system.
Back-wire terminations allow faster, cleaner terminations with fewer tools and less chance of loose connections. For field work, this translates to reduced installation time, easier troubleshooting, and improved reliability in busy electrical rooms.
There are no user serviceable parts, but you should verify terminal torque (15 in-lbf) during inspection, inspect brass contacts for signs of wear or corrosion, ensure conductor insulation remains intact, and replace if any damage is observed to maintain safety and performance.