Locking Style NEMA Configurations
Voltage NEMA #15 Ampere 20 Ampere 30 Ampere
Receptacle/Plug Receptacle/Plug Receptacle/Plug
2-Po
le 3
-Wire
Gro
undi
ng
125V L5 G
W
L5-15R
G
W
L5-15P
G
W
L5-20R
G
W
L5-20P
GW
L5-30R
GW
L5-30P
250V L6Y
X
G
L6-15R
Y
X
G
L6-15P
Y
X
G
L6-20R
Y
X
G
L6-20P
Y
X
G
L6-30R
Y
X
G
L6-30P
277V L7 G
W
L7-15R
G
W
L7-15P
G
W
L7-20R
G
W
L7-20P
G
W
L7-30R
G
W
L7-30P
480V L8Y
X
G
L8-20R
Y
X
G
L8-20P
Y
X
G
L8-30R
Y
X
G
L8-30P
600V L9 Y
X
G
L9-20R
Y
X
G
L9-20P
Y
X
G
L9-30R
Y
X
G
L9-30P
3-Po
le 4
-Wire
Gro
undi
ng
125/250V L14L14-20R
WY
X
G
L14-20P
WY
X
G
L14-30R
WY
X
G
L14-30P
WY
X
G
3ø 250V L15L15-20R
Z
Y
X
G
L15-20PZ
Y
X
GZ
L15-30R
Y
XG
Z
L15-30P
Y
XG
3ø 480V L16L16-20R
ZY
X
G
L16-20P
ZY
X
GZ
L16-30R
Y
XG
Z
L16-30P
Y
X G
3ø 600V L17 Z
L17-30R
Y
XG
Z
L17-30P
Y
X G
4-Po
le 5
-Wire
Gr
ound
ing 3øY 120/208V L21 G Y
Z
XW
L21-20R
GYZ
X W
L21-20P
ZG Y
XW
L21-30R
ZGY
X W
L21-30P
3øY 277/480V L22 G YZ
XW
L22-20R
GYZ
X W
L22-20P
ZG Y
XW
L22-30R
ZGY
X W
L22-30P
Wiring Devices - NEMA Configuration Chart
Straight-Blade Style NEMA Configurations
Voltage NEMA #15 Ampere 20 Ampere 30 Ampere
Receptacle/Plug Receptacle/Plug Receptacle/Plug
2-Po
le 3
-Wire
Gr
ound
ing 125V 5
G
W
G
W
5-15R 5-15P
G
W
5-20R
G
W
5-20P
G
W
5-30R
G
W
5-30P
250V 6G G
6-15R 6-15P
G
6-20R
G
6-20P
G
6-30R
G
6-30P
Note: Please see Appendix for 1.) Mechanical and electrical properties of material data2.) Chemical resistance of material3.) Table III Hp rating chart
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