About NEMA Straight-Blade Plugs, Connectors, and Receptacles
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About NEMA Plugs, Sockets, and Receptacles
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Hazardous Location Straight-Blade Plugs and Receptacles
Use connectors where ignitable gas and dust may be present. They are UL listed for Class I, Division 1 and 2, Groups C and D; Class II, Division 1 and 2, Groups F and G; and Class III hazardous environments.
Receptacles are compatible with both the NEMA 5-15 and 5-20 plugs.
Note: The current rating of your plug should not exceed that of your receptacle.
For technical drawings and 3-D models, click on a part number.
| NEMA Style  | Voltage | Current | OD | Wire Connection Type | For Cable OD | Environment | Environmental Rating | Color | Each | |
Grounded | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 5-15 | 125V AC | 15A | 1.7" | Screw Terminals | 0.54"-0.64" | Corrosive, Hazardous Location, Outdoor, Washdown | NEC Class I Divisions 1, 2 Groups C, D NEC Class II Divisions 1, 2 Groups F, G NEC Class III Divisions 1, 2 NEMA 3 NEMA 4 NEMA 4X NEC Zone 1 Groups IIB, IIA | Gray | 0000000 | 0000000 |
| 5-20 | 125V AC | 20A | 1.7" | Screw Terminals | 0.54"-0.64" | Corrosive, Hazardous Location, Outdoor, Washdown | NEC Class I Divisions 1, 2 Groups C, D NEC Class II Divisions 1, 2 Groups F, G NEC Class III Divisions 1, 2 NEMA 3 NEMA 4 NEMA 4X NEC Zone 1 Groups IIB, IIA | Gray | 0000000 | 000000 |
| NEMA Style | Voltage | Current | Wire Connection Type | Receptacle Terminal Location | Mounting Location | Environment | Environmental Rating | Color | Conduit Thread Type | Choose a Conduit Trade Size | Each | |
Grounded | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 5-20 | 125V AC | 20A | Screw Terminals | Back | Surface | Hazardous Location, Outdoor | NEC Class I Divisions 1, 2 Groups C, D NEC Class II Divisions 1, 2 Groups F, G NEC Class III Divisions 1, 2 NEMA 3 NEMA 7 NEMA 9 NEC Zone 1 Groups IIB, IIA | Gray | NPT | 0000000 | 0000000 | |
Hazardous Location Safe-Break Pin-and-Sleeve Connectors
Use connectors where ignitable gas and dust may be present, such as in refineries and silos. They are CSA certified for Class I, Division 2, Groups A, B, C, and D; and Class II, Division 2, Groups F and G. All have a chamber that withstands the pressure of an internal ignition—isolating it from spreading to the surrounding environment. They're rated IP66 and IP67 for protection from washdowns and temporary submersion.
Finger drawplates (sold separately) create a grip around plugs and sockets or receptacles, making it easier to pull them together tightly when mating.
Caps (sold separately) protect plugs when not in use.
For technical drawings and 3-D models, click on a part number.
| Face Dia. | No. of Poles | No. of Ground Connections | No. of Wires | Industry Designation | Electrical Phase | Current | Wire Connection Type | For Wire Gauge | For Cable OD | Temp. Range, °F | Choose a Voltage | Each | |
| 1.4" | 3 | 1 | 2 | 2W3P | Single | 20A | Screw Terminals | 16-10 | 0.44"-0.81" | -40° to 140° | 125V AC | 0000000 | 0000000 |
| 1.4" | 4 | 1 | 3 | 3W4P | Three | 20A | Screw Terminals | 16-10 | 0.44"-0.81" | -40° to 140° | 0000000 | 000000 | |
| 1.9" | 3 | 1 | 2 | 2W3P | Single | 30A | Screw Terminals | 14-6 | 0.44"-0.81" | -40° to 140° | 125V AC | 0000000 | 000000 |
| 1.9" | 4 | 1 | 3 | 3W4P | Three | 30A | Screw Terminals | 14-6 | 0.44"-0.81" | -40° to 140° | 0000000 | 000000 | |
| 2.1" | 4 | 1 | 3 | 3W4P | Three | 60A | Screw Terminals | 10-4 | 0.66"-1" | -40° to 140° | 0000000 | 000000 |
| Face Dia. | No. of Poles | No. of Ground Connections | No. of Wires | Industry Designation | Electrical Phase | Current | Wire Connection Type | For Wire Gauge | For Cable OD | Temp. Range, °F | Choose a Voltage | Each | |
| 1.4" | 3 | 1 | 2 | 2W3P | Single | 20A | Screw Terminals | 16-10 | 0.44"-0.81" | -40° to 140° | 125V AC | 0000000 | 0000000 |
| 1.4" | 4 | 1 | 3 | 3W4P | Three | 20A | Screw Terminals | 16-10 | 0.44"-0.81" | -40° to 140° | 0000000 | 000000 | |
| 1.9" | 3 | 1 | 2 | 2W3P | Single | 30A | Screw Terminals | 14-6 | 0.44"-0.81" | -40° to 140° | 125V AC | 0000000 | 000000 |
| 1.9" | 4 | 1 | 3 | 3W4P | Three | 30A | Screw Terminals | 14-6 | 0.44"-0.81" | -40° to 140° | 0000000 | 000000 | |
| 2.1" | 4 | 1 | 3 | 3W4P | Three | 60A | Screw Terminals | 10-4 | 0.66"-1" | -40° to 140° | 0000000 | 00000000 |
 | 2W3P |
3W4P |
Conduit | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Face Dia. | No. of Poles | No. of Ground Connections | No. of Wires | Industry Designation | Electrical Phase | Current | Wire Connection Type | For Wire Gauge | Trade Size | Thread Type | Temp. Range, °F | Choose a Voltage | Each | |
| 1.4" | 3 | 1 | 2 | 2W3P | Single | 20A | Screw Terminals | 16-10 | 3/4 | NPT | -40° to 140° | 125V AC | 0000000 | 0000000 |
| 1.4" | 4 | 1 | 3 | 3W4P | Three | 20A | Screw Terminals | 16-10 | 3/4 | NPT | -40° to 140° | 0000000 | 000000 | |
| 1.9" | 3 | 1 | 2 | 2W3P | Single | 30A | Screw Terminals | 14-6 | 3/4 | NPT | -40° to 140° | 125V AC | 0000000 | 000000 |
| 1.9" | 4 | 1 | 3 | 3W4P | Three | 30A | Screw Terminals | 14-6 | 3/4 | NPT | -40° to 140° | 0000000 | 000000 | |
| 2.1" | 4 | 1 | 3 | 3W4P | Three | 60A | Screw Terminals | 10-4 | 1 | NPT | -40° to 140° | 0000000 | 00000000 | |
Caps for Hazardous Location Safe-Break Pin-and-Sleeve Connectors
Caps are watertight to protect hazardous location safe-break plugs when not in use.
For technical drawings and 3-D models, click on a part number.