Industrial
Specification Grade
Hart-Lock®
Locking Devices
4 Pole, 5 Wire Grounding
Non-NEMA, 20A 120/208V 3ØY 400HZ
NEMA L21-20, 20A 120/208V 3ØY
NEMA L22-20, 20A 277/480V 3ØY
NEMA L23-20, 20A 347/600V 3ØY
20A 4 Pole, 5 Wire Grounding
Industrial Specification Grade Locking Receptacles
FEATURES
■ Rugged fiberglass reinforced nylon 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 secure wiring.
■
■
■
Combination head screws standard –
slot/Phillips in the U.S.
Add -C to catalog number for Canadian
screws – slot/Robertson head combination.
3.28"
Safety ground clip provided for fast
(83.31mm)
installation.
1.03"
(26.2mm)
INDUSTRIAL
COMMERCIAL
1.56"
(39.62mm)
2.63"
(66.80mm)
Industrial Specification Grade Single Receptacles – Back and Side Wire
Rating
A
V/AC
NEMA
Description
Color
Catalog No.
20
L21-20
Standard
Black
CWL2120R
20
20
20
120/208V 3ØY
120/208V 3ØY 400Hz
277/480V 3ØY
347/600V 3ØY
Non-NEMA
L22-20
L23-20
Isolated Ground Orange
IGL2120R
Standard
6110*
Black
Standard
Black
CWL2120R
DEVICES
1.03"
(26.2mm)
CWL2220R
Isolated Ground Orange
IGL2220R
Standard
CWL2320R
Black
Isolated Ground Orange
E-28
LOCKING
1.63"
(41.40mm)
2.62"
(66.5mm)
IGL2320R
*UL (file no. E2258), CSA (file no. LR16215)
1.56"
(39.6mm)
3.28"
(83.3mm)
NOTE: Weather Protective Covers from Cooper Wiring Devices that may be used
with these products are described on pages E-71 in this section.
1.62"
(41.1mm)
IGL2120R
3.28"
(83.3mm)
2.38"
(60.45mm)
2.50"
(63.5mm)
6-32 TAP
1.71"
(43.43mm)
6110
X
Y
X
Z
W
RECEPTACLE
NON-NEMA
20A 120/208V
3ØY
400 Hz
W
X
Y
G
W
G
X
Y
W
G
Y
Z
Z
Z
L21-20R
L22-20R
L23-20R
TESTING & CODE
COMPLIANCE
• Listed to UL 498,
(file no. E2369).
CWL2120R:
UL Listed to Federal
Spec. WC-596.
• CSA Certified to
C22.2 no. 42
(file no. LR7087)
except as noted.
MATERIAL
CHARACTERISTICS
Receptacles:
Glass filled Nylon
except 6110: Urea.
Environmental:
Flammability
per UL 94
requirements,
Receptacles V0 rated
except 6110.
Temperature Rating:
Receptacles:
-40ºC to 105ºC
except 6110:
-40°C to 60°C.
C
Industrial
Specification Grade
Hart-Lock®
Locking Devices
R
2.19"
(55.6mm)
1.22"
(31.0mm)
4 Pole, 5 Wire Grounding
Non-NEMA, 20A 120/208V 3ØY 400Hz
Non-NEMA 20/10A 250/600V
NEMA L21-20, 20A 120/208V 3ØY
NEMA L22-20, 20A 277/480V 3ØY
NEMA L23-20, 20A 347/600V 3ØY
20A 4 Pole, Wire Grounding
Industrial Specification Grade Plugs and Connectors
3.75"
(95.3mm)
INDUSTRIAL
COMMERCIAL
2.31"
(58.7mm)
CWL2120C
FEATURES
■ Nylon construction.
■ Back wire Dead-Front design.
■ Neoprene gasket seals cord hole from dust
and debris.
■ Inserts included for three separate cord
grip ranges.
■ Back wire terminal clamps for easy
secure wiring.
■
■
■
■
Individual wiring compartments with
tapered channel for easy insertion of wires.
Clear cover allows easy inspection of wiring
terminations.
Combination head screws standard –
slot/Phillips in the U.S.
Add -C to catalog number for Canadian
screws – slot/Robertson head combination.
Industrial Specification Grade Locking Plugs and Connectors
E-29
LOCKING
Rating
A
V/AC
NEMA
Cord Diameter
Color
Plug
DEVICES
20
120/208V 3ØY
L21-20
0.63-1.16"
(15.9-29.4mm)
Black
& White
CWL2120P
Black
CWL2120PBK CWL2120CBK
20
120/208V
3ØY 400Hz
NonNEMA
0.47-1.15"
(11.9-29.2mm)
Black
& White
6112*
6114*
20/10 250/600
NonNEMA
0.63-1.16"
(15.9-29.4mm)
Gray
3521
3523
Black
3521BK
3523BK
20
277/480V 3ØY
L22-20
0.63-1.16"
(15.9-29.4mm)
Black
& White
CWL2220P
CWL2220C
20
347/600V 3ØY
L23-20
0.63.63-1.16"
(15.9-29.4mm)
Black
& White
CWL2320P
CWL2320C
2.19"
(55.6mm)
2.75"
(69.9mm)
2.31"
(58.7mm)
CWL2120P
TESTING & CODE
COMPLIANCE
• Listed to UL 498,
(file no. E3663);
UL Listed to Federal
Spec. WC-596.
• cUL Certified to
CSA C22.2 no. 42
(file no. E3663)
except as noted.
MATERIAL
CHARACTERISTICS
Nylon.
Temperature Rating:
-40ºC to 75ºC
except 6112, 6114:
-40°C to 60°C.
Catalog No.
Connector
CWL2120C
*UL (file no. E1381), CSA (file no. LR16215)
NOTE: Weather Protective Boots from Cooper Wiring Devices that may be used
with these products are described on page E-72 in this section.
Z
X
Z
W
Y
Y
Y
X
X
Y
Z
X
X
Z
Y
G
X
W
W
X
Y
G
Y
G
X
W
W
G
Y
W
W
W
RECEPTACLE
PLUG
RECEPTACLE
PLUG
NON-NEMA NON-NEMA NON-NEMA NON-NEMA
20A 250V 20A 120/208V 20A 120/208V
20A 250V
3ØY
3ØY
10A 600V
10A 600V
400 Hz
400 Hz
Z
Z
Z
Z
L21-20P
L21-20R
L22-20P
L22-20R
X
Y
G
X
W
W
G
Y
Z
Z
L23-20P
L23-20R
Industrial
Specification Grade
Hart-Lock®
Locking Devices
4 Pole, 5 Wire Grounding
Non-NEMA, 20A 120/208V 3ØY 400Hz
Non-NEMA 20/10A 250/600V
NEMA L21-20, 20A 120/208V 3ØY
NEMA L22-20, 20A 277/480V 3ØY
NEMA L23-20, 20A 347/600V 3ØY
C
3.06"
(77.7mm)
2.03"
(51.6mm)
20A 4 Pole, 5 Wire Industrial Specification Grade
Flanged Inlet and Outlet
FEATURES
■ All nylon construction.
■ Mounting holes interchangeable with
competitive units.
■ Back wire terminal clamps for easy
secure wiring.
■ Individual wiring compartments with tapered
channel for easy insertion of wires.
■
■
R
Combination head screws standard –
slot/Phillips in the U.S.
Add -C to catalog number for Canadian
screws – slot/Robertson head combination.
2.19"
(55.6mm)
INDUSTRIAL
COMMERCIAL
2.19"
(55.6mm)
CWL2120FI
Industrial Specification Grade Flanged Inlets and Outlets
Rating
A
V/AC
NEMA
Color
Catalog No.
Inlet
Outlet
20
120/208V 3ØY
L21-20
Black & White
CWL2120FI CWL2120FO
20
120/208V 3ØY 400 HZ
20/10 250/600V
Non-NEMA
White
6116*†
6118*#
Non-NEMA
Gray
3524
3525
Black
3524BK
3525BK
20
277/480V 3ØY
L22-20
Black & White
CWL2220FI CWL2220FO
20
347/600V 3ØY
L23-20
Black & White
CWL2320FI CWL2320FO
E-30
LOCKING
3.06"
(77.7mm)
2.03"
(51.6mm)
DEVICES
2.19"
(55.6mm)
†UL (file no. E1381)
#UL (file no. E2258)
*CSA (file no. LR16215)
2.19"
(55.6mm)
6118
NOTE: Weather Protective Covers and Enclosures from Cooper Wiring Devices that may be used
with these products are described on pages E-71, E-73 and E-74 in this section.
3.06"
(77.72mm)
1.96"
(49.78mm)
2.18"DIA.
(55.37mm)
6116
Z
X
Z
X
W
Y
Y
Y
Z
X
X
Y
X
Z
W
W
W
RECEPTACLE
PLUG
PLUG
RECEPTACLE
NON-NEMA NON-NEMA NON-NEMA NON-NEMA
20A 250V
20A 250V 20A 120/208V 20A 120/208V
3ØY
3ØY
10A 600V
10A 600V
400 Hz
400 Hz
Y
G
X
W
W
X
Y
G
Y
G
X
W
W
G
Y
Z
Z
Z
Z
L21-20P
L21-20R
L22-20P
L22-20R
X
X
Y
G
W
W
G
Y
Z
Z
L23-20P
L23-20R
1.25"
(31.75mm)
TESTING & CODE
COMPLIANCE
• Listed to UL 498
Flanged Inlets:
(file no. E3663);
• Flanged Outlets:
Listed to UL 498,
(file no. E2369).
• cUL Certified to
CSA C22.2 no. 42
(file no. E3663
and E2369)
except as noted.
MATERIAL
CHARACTERISTICS
Nylon.
Environmental:
Flammability
per UL 94
requirements.
V2 rated except
6116, 6118.
Temperature Rating:
-40ºC to 80ºC
except 6116, 6118:
-40°C to 60°C.
C
Industrial
Specification
Grade Hart-Lock®
Locking Devices
R
4 Pole, 5 Wire Grounding
NEMA L21-30, 30A 120/208V 3ØY
NEMA FSL4-30, 30A 120/208V 3ØY 400Hz
NEMA L22-30, 30A 277/480V 3ØY
NEMA L23-30, 30A 347/600V 3ØY
30A 4 Pole, 5 Wire Non-Grounding
Industrial Specification Grade Locking Receptacles
FEATURES
2.62"
(66.55mm) ■ Rugged fiberglass reinforced nylon body.
3.28"
(83.31mm)
1.56"
(39.62mm)
■
INDUSTRIAL
COMMERCIAL
1.62"
(41.14mm)
1.12"
(28.5mm)
■
Combination head screws standard –
slot/Phillips in the U.S.
Add -C to catalog number for Canadian
screws – slot/Robertson head combination.
Safety ground clip provided for fast
installation.
■
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 secure wiring.
■
■
■
Industrial Specification Grade Single Receptacles – Back and Side Wire
CWL2130R
E-31
LOCKING
DEVICES
2.38"
(60.5mm)
2.50"
(63.5mm)
3.28"
(83.3mm)
TESTING & CODE
COMPLIANCE
• Listed to UL 498
(file no. E2369)
except Flanged Inlets:
(file no. E3663).
CWL2130R
UL Listed to Federal
Spec. WC-596.
Receptacles:
• CSA Certified to
C22.2 no. 42
(file no. LR7087)
Inlets and Outlets:
cUL Certified to
CSA C22.2 no. 42,
Inlets (file no. E3663),
Outlets (file no.
E2369).
MATERIAL
CHARACTERISTICS
Glass filled Nylon
Environmental:
Flammability
per UL 94
requirements.
VO rated except
FSL430R,
Inlets/Outlets:
V2 rated.
Temperature Rating:
-40ºC to 105ºC
except FSL430R:
-40°C to 60°C.
Inlets/Outlets:
-40°C to 80°C.
NEMA
Description
Color
Catalog No.
30
120/208V 3ØY
L21-30
Standard
Black
CWL2130R
Isolated Ground
Orange
IGL2130R
30
120/208V 3ØY 400HZ
FSL4-30
Standard
Black
FSL430R*
30
277/480V 3ØY
L22-30
Standard
Black
CWL2230R
Isolated Ground
Orange
IGL2230R
Standard
Black
CWL2330R
Isolated Ground
Orange
IGL2330R
30
1.71"
(43.4mm)
FSL430R
347/600V 3ØY
L23-30
*UL (file no. 2558), CSA (file no. LR16215), Urea.
30A 4 Pole, 5 Wire Industrial Specification Grade
Flanged Inlet and Outlet
3.06"
(77.7mm)
2.03"
(51.6mm)
2.19"
(55.6mm)
Rating
A
V/AC
2.19"
(55.6mm)
CWL2130FI
FEATURES
■ All nylon construction.
■ Mounting holes interchangeable with
competitive units.
■ Back wire terminal clamps for easy
secure wiring.
■ Individual wiring compartments with tapered
channel for easy insertion of wires.
Combination head screws standard –
slot/Phillips in the U.S.
Add -C to catalog number for Canadian
screws – slot/Robertson head combination.
■
■
Industrial Specification Grade Flanged Inlets and Outlets
3.06"
(77.72mm)
2.03"
(51.6mm)
Rating
A
V/AC
NEMA
Color
Inlet
Catalog No.
Outlet
30
120/208V 3ØY
L21-30
Black & White
CWL2130FI
CWL2130FO
30
277/480V 3ØY
L22-30
Black & White
CWL2230FI
CWL2230FO
30
347/600V 3ØY
L23-30
Black & White
CWL2330FI
CWL2330FO
NOTE: Weather Protective Covers and Enclosures from Cooper Wiring Devices that may be used
with these products are described on pages E-71, E-73 and E-74 in this section.
2.19"
(55.6mm)
X
X
X
W
Y
Y
X
X
X
Y
W
W
Y
Y
X
W
Y
2.19"
(55.6mm)
Y
Z
Z
Z
Z
Z
Z
Z
CWL2330FO
L21-30P
L21-30R
FSL4R
L22-30P
L22-30R
L23-30P
L23-30R
G
W
G
G
W
G
G
W
G
Industrial
Specification
Grade Hart-Lock®
Locking Devices
4 Pole, 5 Wire Grounding
NEMA L21-30, 30A 120/208V 3ØY
NEMA FSL4-30, 30A 120/208V 3ØY 400Hz
NEMA L22-30, 30A 277/480V 3ØY
NEMA L23-30, 30A 347/600V 3ØY
C
R
30A 4 Pole, 5 Wire Grounding
Industrial Specification Grade Plugs and Connectors
FEATURES
■ Nylon construction.
■ Back wire Dead-Front design.
■ Neoprene gasket seals cord hole from dust
and debris.
■ Inserts included for three separate cord
grip ranges.
■ Back wire terminal clamps for secure wiring.
Individual wiring compartments with
tapered channel for easy insertion of wires.
Clear cover allows easy inspection of
wiring terminations.
Combination head screws standard –
slot/Phillips in the U.S.
Add -C to catalog number for Canadian
screws – slot/Robertson head combination.
■
■
■
■
2.13"
(54.1mm)
INDUSTRIAL
COMMERCIAL
2.85"
(72.4mm)
Industrial Specification Grade Locking Plugs and Connectors
Rating
A V/AC
30 120/208V
3ØY
Cord Diameter
Color
Plug
L21-30
0.63"-1.16"
(15.9mm-29.4mm)
Black
& White
CWL2130P
CWL2130C
0.63"-1.16"
(15.9mm-29.4mm)
Black
6612BK
6614BK
1.83"
(46.5mm)
FSL4-30
0.47"-1.15"
(11.9mm-29.2mm)
Black
& White
FSL430P
FSL430C
30 277/480V
3ØY
L22-30
0.63"-1.16"
(15.9mm-29.4mm)
Black
& White
CWL2230P
CWL2230C
30 347/600V
3ØY
L23-30
0.63"-1.16"
(15.9mm-29.4mm)
Black
& White
CWL2330P
2.19"
(55.6mm)
CWL2330C
1.22"
(30.9mm)
NOTE: Weather Protective Boots from Cooper Wiring Devices that may be used
with these products are described on page E-72 in this section.
3.75"
(95.3mm)
2.31"
(58.7mm)
6614BK
Y
G
X
X
W
W
G
Y
X
W
Y
W
Y
G
X
X
X
Y
W
W
DEVICES
FSL430P
30 120/208V
3ØY 400Hz
X
E-32
LOCKING
Catalog No.
Connector
NEMA
G
Y
Y
G
X
W
W
G
Y
Z
Z
Z
Z
Z
Z
Z
Z
L21-30P
L21-30R
FSL4P
FSL4R
L22-30P
L22-30R
L23-30P
L23-30R
TESTING & CODE
COMPLIANCE
• Listed to UL 498
(file no. E3663)
except FSL430P,
FSL430C
(file no. E1381).
cUL Certified to
CSA C22.2 no. 42
(file no. E3663)
except FSL430P
and FSL430C:
CSA Certified to
C22.2 no. 42
(file no. LR16215).
MATERIAL
CHARACTERISTICS
Nylon.
Temperature Rating:
-40ºC to 75ºC
except FSL430P,
FSL430C:
-40ºC to 60ºC.