E-34
LOCKING
DEVICES
INDUSTRIAL
COMMERCIAL
Commercial
Specification Grade
Locking Devices
20A 2 Pole, 3 Wire Commercial
Specification Grade Receptacles
2 Pole, 3 Wire Grounding
NEMA L5-20, 20A 125V
NEMA L6-20, 20A 250V
NEMA L7-20, 20A 277V
NEMA L24-20, 20A 347V
NEMA L8-20, 20A 480V
NEMA L9-20, 20A 600V
Commercial Specification Grade Receptacles
Rating
AV/AC NEMA Description Color Catalog No.
20 125 L5-20 Single Black L520R
20 250 L6-20 Single Black L620R
20 277 L7-20 Single Black L720R*
20 347 L24-20 Single Black L2420R*
20 480 L8-20 Single Black L820R*
20 600 L9-20 Single Black L920R*
*Not NOM
FEATURES
■ Rugged nylon face and body.
■ Clearly marked rating, NEMA configuration
and approval listings on receptacle face.
■ One piece brass contacts offer superior
performance and minimum heat rise.
■ Back wire terminal clamps for easy
secure wiring.
■ Combination head screws standard –
slot/Phillips.
TESTING & CODE
COMPLIANCE
• Listed to UL 498
Plugs, Connectors:
(file no. E15012)
Receptacles:
(file no. E15058).
• Receptacles are
UL Listed to Federal
Spec WC-596.
• CSA Certified.
C22.2 no. 42,
Receptacles
(file no. LR6914
(6233-01));
Plugs, Connectors
(file no. LR2081
(6221-02)).
• NOM Certified,
except as noted.
MATERIAL
CHARACTERISTICS
Receptacles: Nylon.
Plugs, Connectors:
Polycarbonate & PVC.
Meets flammability
requirements
per UL 94, V2 rated.
Temperature Rating:
Receptacles:
-40°C to 70°C;
Plugs & Connectors:
-20°C to 60°C.
FEATURES
■ Abuse resistant thermoplastic construction.
■ Back wire Dead-Front design.
■ External cable clamp provides firm
strain relief.
■ Back wire terminal clamps for easy
secure wiring.
■ Individual wiring compartments with
tapered channel for easy insertion of wires.
■ Triple combination head screws standard –
slot/Phillips/Robertson for use in the U.S.
and Canada.
■ Clear cover over wiring compartments allow
easy inspection of wiring terminations.
Commercial Specification Grade Locking Plugs and Connectors
Rating Description/ Catalog No.
AV/AC NEMA Cord Diameter Color Plug Connector
20 125 L5-20 Straight: 0.25"-0.69" Black L520P L520C
(6.35mm-17.5mm) & White
20 250 L6-20 Straight: 0.25"-0.69" Black L620P L620C
(6.35mm-17.5mm) & White
20 347 L24-20 Straight: 0.25"-0.69" Black L2420P L2420C
(6.35mm-17.5mm) & White
20A 2 Pole, 3 Wire Commercial Specification Grade
Locking Plugs and Connectors
NOTE: Weather Protective Covers from Cooper Wiring Devices that may be used
with these products are described on page E-71 in this section.