Eaton 3123BK-BOX Straight Blade Plug - UL/NOM 6221
Part Number: 3123BK-BOX
Quick Summary
The Eaton straight blade plug enables quick, reliable 125V two-wire connections for commercial equipment. Engineers often face safety and install-time challenges when wiring non-grounding devices in crowded panels. This model, the 3123BK-BOX, uses a back-wire termination and a durable brass contact set to simplify field connections while reducing torque requirements. UL NOM and Federal Specification 6221/02 certification underpins dependable performance in demanding environments, while a thermoplastic rubber body resists impact and wear. The compact round body and ED Box packaging support tight panel layouts and faster installation, helping reduce labor costs. Compatible with #14-10 AWG conductors, it streamlines procurement by aligning with common wiring practices in commercial facilities.
Product Information
Extended Description
3123BK-BOX Eaton: Eaton straight blade plug , #14-10 AWG, 15A, Commercial, 125V, Back wire, Black, Brass, Thermoplastic rubber, 1-15P, Two-pole, two-wire, non grounding, Screw, Thermoplastic, ED Box
Product Name
Eaton straight blade plug
Catalog Number
3123BK-BOX
UPC
032664326837
Product Length/Depth
1.25 in
Product Height
2.25 in
Product Width
1.25 in
Product Weight
0.043 lb
Certifications
UL NOM Federal Specification Classification 6221 02
Device type
Plug
Special features
Non-grounding
Type
Round plug
Amperage Rating
15A
Voltage rating
125V
Contact material
Brass
Features
Non-grounding
Application
Commercial
Device grade
Standard grade
Wiring method
Back wire
Number of wires
2
Number Of Poles
Two-pole
Style type
Round body
Material
Thermoplastic
Packaging type
ED Box
Color
Black
Connection type
Screw
Allowable wire size
#14-10 AWG
NEMA configuration
1-15P
Torque rating
14 lbf-inch
Design type
Straight blade
Face/body material
Thermoplastic rubber
Receptacle type
Two-pole, two-wire, non grounding
Residential Buyers Guide B-54
Commercial and residential straight blade vinyl receptacles
Eaton Specification Sheet - 3123BK-BOX
Feature: Back-wire termination supports quick, tidy wiring. Benefit: Reduces installation time and error, improving panel assembly throughput in commercial gear. Application: Ideal for back-wired receptacles in control panels and power distribution blocks. Feature: 15A, 125V rating with 1-15P NEMA configuration. Benefit: Matches common branch circuits and loads while maintaining safety margins and regulatory compliance. Application: Suitable for lighting and low-power equipment in offices and shops. Feature: Brass contact material with thermoplastic body. Benefit: Delivers stable electrical contact resistance and durable performance under frequent cycling. Application: Reliable for daily equipment start/stop sequences and serviceable by maintenance teams. Feature: ED Box packaging and screw-type connection. Benefit: Eases mounting in equipment enclosures and terminations, reducing field handling steps. Application: Fastens into standard commercial enclosures without specialized tools. Feature: Allowable wire size #14-10 AWG. Benefit: Compatibility with common building wires lowers inventory complexity. Application: Simplifies sourcing for contractors wiring outlets, strips, and small appliances. Feature: Torque rating 14 lbf-inch. Benefit: Ensures proper compression and secure termination, minimizing looseness and heat buildup. Application: Critical in high-vibration environments like manufacturing floors. Feature: Certifications UL NOM and Federal Specification 6221/02. Benefit: Provides regulatory assurance and interoperability across brands. Application: Required for compliance in many commercial facilities and government projects.
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FAQs
To install the 3123BK-BOX, prepare #14-10 AWG conductors and insert them into the back-wire terminals per the device markings. Tighten the screws to achieve the manufacturer torque of 14 lbf-in, ensuring a secure, low-resistance connection. Mount the plug into the ED Box with aligned polarity and verify fit before energizing the circuit.
The plug is rated for 15A at 125V and uses a non-grounding, two-pole configuration (1-15P) suitable for general commercial loads. Brass contact material ensures reliable conductivity, while UL NOM and Federal Specification 6221/02 certifications support safety and performance in regulated environments.
Yes. The 3123BK-BOX supports #14-10 AWG conductors with back-wire termination, enabling fast wiring in commercial panels. The 14 lbf-in torque rating ensures a secure connection, reducing the risk of loose terminations that can cause overheating or arcing in busy electrical spaces.
The plug carries UL NOM and Federal Specification 6221/02 certifications, indicating compliance with established safety and performance standards for commercial wiring devices. This helps ensure reliability across installations and simplifies procurement for regulated projects and inspection-readiness.
Expect faster installation thanks to back-wire terminals and a compact ED Box design, reducing labor time in panel assemblies. Durable brass contacts, verified 15A/125V ratings, and regulatory certifications translate into lower maintenance costs, improved reliability, and easier code compliance for commercial facilities.