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About NEMA Plugs, Sockets, and Receptacles
More
IEC Safe-Break Pin-and-Sleeve Connectors
These connectors meet international standards IEC 309-1 and 309-2, so they’re compatible with other IEC 309 devices. They allow you to connect and disconnect with the power on—spring-loaded contacts open like a switch when separating the connectors, preventing an electrical arc. All are approved as switch-rated connectors for branch and motor circuit disconnect switching. Connectors have a ground pin that is included in the number of wires. Rated NEMA 4X, 12, and IP69K, they're protected against corrosion, oil/coolant seepage, washdowns, and high-temperature, high-pressure washdowns.
For technical drawings and 3-D models, click on a part number.

2W3P
Male
2W3P
Male
2W3P
Male
AC, 3W4P
Male
AC, 3W4P
Male
3W4P
Male
3W4P
Male
AC, 4W5P
Male
AC, 4W5P
Male
AC, 4W5P
Male
240/415V AC,
4W5P Male
3W4P
Male
| 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 | Environmental Rating | Choose a Voltage | Each | |
| 2" | 3 | 1 | 2 | 2W3P | Single | 30A | Screw Terminals | 12-8 | 0.5"-1.25" | -40° to 165° | NEMA 4X, NEMA 12, IP69K | 0000000 | 0000000 | |
| 2" | 4 | 1 | 3 | 3W4P | Single | 30A | Screw Terminals | 12-8 | 0.5"-1.22" | -40° to 165° | NEMA 4X, NEMA 12, IP69K | 0000000 | 000000 | |
| 2" | 4 | 1 | 3 | 3W4P | Three | 30A | Screw Terminals | 12-8 | 0.5"-1.22" | -40° to 165° | NEMA 4X, NEMA 12, IP69K | 0000000 | 000000 | |
| 2" | 5 | 1 | 4 | 4W5P | Three | 30A | Screw Terminals | 12-8 | 0.5"-1.45" | -40° to 165° | NEMA 4X, NEMA 12, IP69K | 0000000 | 000000 | |
| 2" | 5 | 1 | 4 | 4W5P | Three | 30A | Screw Terminals | 12-8 | 0.5"-1.45" | -40° to 165° | NEMA 4X, NEMA 12, IP69K | 220V AC/380V AC and 240V AC/415V AC | 0000000 | 000000 |
| 2.5" | 3 | 1 | 2 | 2W3P | Single | 60A | Screw Terminals | 8-2 | 0.5"-1.45" | -40° to 165° | NEMA 4X, NEMA 12, IP69K | 0000000 | 000000 | |
| 2.5" | 4 | 1 | 3 | 3W4P | Three | 60A | Screw Terminals | 8-2 | 0.5"-1.45" | -40° to 165° | NEMA 4X, NEMA 12, IP69K | 0000000 | 000000 | |
| 2.5" | 5 | 1 | 4 | 4W5P | Three | 60A | Screw Terminals | 8-2 | 0.5"-1.45" | -40° to 165° | NEMA 4X, NEMA 12, IP69K | 277V AC/480V AC | 0000000 | 000000 |
Safe-Break Pin-and-Sleeve Connectors
Connect and disconnect with the power on—spring-loaded contacts open like a switch when separating the connectors, preventing an electrical arc. These connectors are approved as switch-rated connectors for branch circuit and motor circuit disconnect switching. When mated, they form a NEMA 4X rated connection that resists corrosion and protects against washdowns. A ground pin is included in the number of wires.
Receptacles include a junction box with a conduit entry hub.
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 | Environmental Rating | Choose a Voltage | Each | |
| 1.3" | 3 | 1 | 2 | 2W3P | Single | 20A | Screw Terminals | 14-12 | 0.35"-0.7" | -15° to 140° | IP66, IP67, IP69K, NEMA 4X | 125V AC | 00000000 | 000000 |
| 1.3" | 4 | 1 | 3 | 3W4P | Three | 20A | Screw Terminals | 14-12 | 0.35"-0.7" | -40° to 140° | IP66, IP67, IP69K, NEMA 4X | 0000000 | 00000 | |
| 1.8" | 3 | 1 | 2 | 2W3P | Single | 30A | Screw Terminals | 14-8 | 0.2"-0.82" | -15° to 140° | IP66, IP67, IP69K, NEMA 4X | 125V AC | 00000000 | 000000 |
| 1.9" | 4 | 1 | 3 | 3W4P | Three | 30A | Screw Terminals | 14-8 | 0.2"-0.82" | -40° to 140° | IP66, IP67, IP69K, NEMA 4X | 0000000 | 000000 | |
| 2.2" | 4 | 1 | 3 | 3W4P | Three | 60A | Screw Terminals | 12-4 | 0.2"-0.82" | -40° to 140° | IP66, IP67, IP69K, NEMA 4X | 0000000 | 000000 | |
| 2.6" | 4 | 1 | 3 | 3W4P | Three | 100A | Screw Terminals | 10-2 | 0.51"-1.38" | -40° to 140° | IP66, IP67, IP69K, NEMA 4X | 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 | Environmental Rating | Choose a Voltage | Each | |
| 2.6" | 4 | 1 | 3 | 3W4P | Three | 100A | Screw Terminals | 10-2 | 0.51"-1.38" | -40° to 140° | IP66, IP67, IP69K, NEMA 4X | 0000000 | 0000000 |

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 | Environmental Rating | Choose a Voltage | Each | |
| 2.6" | 4 | 1 | 3 | 3W4P | Three | 100A | Screw Terminals | 10-2 | 1 1/2 | NPT | -40° to 140° | IP66, IP67, IP69K, NEMA 4X | 0000000 | 0000000 | |
| For Connector Current | Pin Material | Each | |
Ground Pins | |||
|---|---|---|---|
| 20 A | Silver-Plated Nickel | 00000000 | 000000 |
| 30 A | Silver-Plated Nickel | 00000000 | 00000 |
| 60 A | Silver-Plated Nickel | 00000000 | 00000 |
| 100 A | Silver-Plated Nickel | 00000000 | 00000 |
Power Pins | |||
| 20 A | Silver-Plated Nickel | 00000000 | 00000 |
| 30 A | Silver-Plated Nickel | 00000000 | 00000 |
| 60 A | Silver-Plated Nickel | 00000000 | 00000 |
| 100 A | Silver-Plated Nickel | 00000000 | 00000 |

| For Connector Current | For Face Dia. | Manufacturer | Manufacturer Model No. | Material | Color | Environmental Rating | Each | |
| 20 A | 1.3" | Meltric | 61-1A426 | Neoprene Rubber | Black | IP66, IP67, IP69K, NEMA 4X | 00000000 | 000000 |
| 30 A | 1.8" | Meltric | 61-3A426 | Neoprene Rubber | Black | IP66, IP67, IP69K, NEMA 4X | 00000000 | 00000 |
| 60 A | 2.2" | Meltric | 61-6A426 | Neoprene Rubber | Black | IP66, IP67, IP69K, NEMA 4X | 00000000 | 00000 |
| 100 A | 2.6" | Meltric | 31-6A426 | Neoprene Rubber | Black | IP66, IP67, IP69K, NEMA 4X | 00000000 | 00000 |

| For Connector Current | Material | Each | |
| 100 A | Polyester Plastic | 00000000 | 000000 |
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 | |
| 2" | 3 | 1 | 2 | 2W3P | Single | 20A | Screw Terminals | 16-10 | 0.44"-0.81" | -40° to 140° | 125V AC | 0000000 | 0000000 |
| 2" | 4 | 1 | 3 | 3W4P | Three | 20A | Screw Terminals | 16-10 | 0.44"-0.81" | -40° to 140° | 0000000 | 000000 | |
| 2.6" | 3 | 1 | 2 | 2W3P | Single | 30A | Screw Terminals | 14-6 | 0.44"-0.81" | -40° to 140° | 125V AC | 0000000 | 000000 |
| 2.6" | 4 | 1 | 3 | 3W4P | Three | 30A | Screw Terminals | 14-6 | 0.44"-0.81" | -40° to 140° | 0000000 | 000000 | |
| 3.1" | 4 | 1 | 3 | 3W4P | Three | 60A | Screw Terminals | 10-4 | 0.66"-1" | -40° to 140° | 0000000 | 000000 |
IEC Pin-and-Sleeve Connectors
These connectors meet international standards IEC 60309-1 and 60309-2, so they’re compatible with other IEC 60309 devices. They have a nonconductive nylon housing so they’re safer to use than components made of metal. Plugs have a notch that must line up with a keyway in sockets and receptacles when mating. All have a ground pin that is included in the number of wires.
Lever-clamp terminals make installation and maintenance quick and convenient. Lower the lever to secure a wire; lift the lever to disconnect it.
IP44 rated connectors protect against damp environments.
IP67 rated connectors protect against dust and submersion.

2W3P
Male
3W4P
Male
3W4P
Male
3W4P
Male
| 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 | |
Rated IP44 | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1.3" | 3 | 1 | 2 | 2W3P | Single | 20A | Screw Terminals | 14-12 | 0.32"-0.55" | 0° to 120° | 125V AC | 000000000 | 000000 |
| 1.5" | 4 | 1 | 3 | 3W4P | Three | 20A | Screw Terminals | 14-12 | 0.33"-0.55" | 0° to 120° | 600V AC | 000000000 | 00000 |
| 1.8" | 3 | 1 | 2 | 2W3P | Single | 30A | Screw Terminals | 10-8 | 0.45"-0.68" | 0° to 120° | 125V AC | 000000000 | 00000 |
| 1.8" | 4 | 1 | 3 | 3W4P | Three | 30A | Screw Terminals | 10-8 | 0.49"-0.76" | 0° to 120° | 600V AC | 000000000 | 00000 |
| 2" | 4 | 1 | 3 | 3W4P | Three | 20A | Screw Terminals | 16-12 | 0.33"-0.55" | -10° to 120° | 00000000 | 00000 | |
| 2.3" | 4 | 1 | 3 | 3W4P | Three | 30A | Screw Terminals | 14-8 | 0.49"-0.76" | -10° to 120° | 00000000 | 00000 | |
Rated IP67 | |||||||||||||
| 1.957" | 4 | 1 | 3 | 3W4P | Three | 30A | Lever-Clamp Terminals | 10-8 | 0.63"-1.05" | -40° to 165° | 000000000 | 000000 | |
| 2.421" | 4 | 1 | 3 | 3W4P | Three | 60A | Screw Terminals | 6-4 | 1.05"-1.45" | -40° to 165° | 000000000 | 000000 | |
| 2.795" | 4 | 1 | 3 | 3W4P | Three | 100A | Screw Terminals | 4-1 | 0.91"-1.68" | -40° to 165° | 000000000 | 000000 | |

3W4P
Female
20 ft. Cable Lead | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Face Dia. | No. of Poles | No. of Ground Connections | No. of Wires | Industry Designation | Electrical Phase | Current | Wire Connection Type | Wire Lead Gauge | Temp. Range, °F | Voltage | Each | |
Rated IP67 | ||||||||||||
| 3" | 4 | 1 | 3 | 3W4P | Three | 100A | Wire Leads | 2 | 0° to 120° | 480V AC | 000000000 | 000000000 |
Corrosion-Resistant Pin-and-Sleeve Connectors
When used together, connectors maintain a watertight and corrosion-resistant NEMA 4X connection. All meet UL 1686 and are fully interchangeable with other UL 1686 configured and listed devices.
3W4P (three wire four pole) connectors have a ground pin that is included in the number of poles. They are marked 3W4P.
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 | Voltage | Wire Connection Type | For Wire Gauge | For Cable OD | Temp. Range, °F | Each | ||
| A | 1.9" | 3 | 0 | 3 | 3W3P | Three | 30A | 250V DC/600V AC | Screw Terminals | 10-6 | 0.55"-1.2" | -55° to 100° | 0000000 | 0000000 |
| A | 2.3" | 3 | 0 | 3 | 3W3P | Three | 60A | 250V DC/600V AC | Screw Terminals | 6-2 | 0.65"-1.5" | -55° to 100° | 0000000 | 000000 |
| A | 2.5" | 3 | 0 | 3 | 3W3P | Three | 100A | 250V DC/600V AC | Screw Terminals | 4-2 | 0.88"-1.68" | -55° to 100° | 0000000 | 000000 |
| B | 1.9" | 4 | 0 | 4 | 4W4P | Three | 30A | 250V DC/600V AC | Screw Terminals | 10-6 | 0.55"-1.2" | -55° to 100° | 0000000 | 000000 |
| B | 2.5" | 4 | 0 | 4 | 4W4P | Three | 60A | 250V DC/600V AC | Screw Terminals | 6-2 | 0.65"-1.5" | -55° to 100° | 0000000 | 000000 |
| B | 2.8" | 4 | 1 | 3 | 3W4P | Three | 100A | 250V DC/600V AC | Screw Terminals | 4-2 | 0.88"-1.68" | -55° to 100° | 0000000 | 000000 |
| C | 1.9" | 4 | 1 | 3 | 3W4P | Three | 30A | 250V DC/600V AC | Screw Terminals | 10-6 | 0.55"-1.2" | -55° to 100° | 0000000 | 000000 |
| C | 2.5" | 4 | 1 | 3 | 3W4P | Three | 60A | 250V DC/600V AC | Screw Terminals | 6-2 | 0.65"-1.5" | -55° to 100° | 0000000 | 000000 |
| C | 2.8" | 4 | 0 | 4 | 4W4P | Three | 100A | 250V DC/600V AC | Screw Terminals | 4-2 | 0.88"-1.68" | -55° to 100° | 0000000 | 000000 |
Flat Pin-and-Sleeve Connectors
Reduce the likelihood of slips and falls in high-traffic areas—plugs and sockets won't roll when stepped on. Ground pins are included in the number of wires.
For technical drawings and 3-D models, click on a part number.

| No. of Poles | No. of Ground Connections | No. of Wires | Current (Voltage) | Wire Connection Type | For Wire Gauge | For Cable OD | Ht. | Wd. | Temp. Range, °F | Each | |
| 2 | 1 | 3 | 20A (125V AC); 15A (250V AC); 20A (125V DC) | Screw Terminals | 12 | 0.06"-0.62" | 0.8" | 2" | -5° to 265° | 000000 | 00000 |
| 2 | 1 | 3 | 60A (125V AC); 60A (250V AC); 60A (125V DC) | Screw Terminals | 6 | 0.1"-0.86" | 1.2" | 3.4" | -5° to 265° | 000000 | 00000 |
| 2 | 1 | 3 | 100A (125V AC); 100A (250V AC); 100A (125V DC) | Screw Terminals | 4-2 | 0.26"-0.92" | 1.3" | 4.1" | -5° to 265° | 000000 | 00000 |
High-Current Pin-and-Sleeve Connectors
A high current rating makes these connectors suitable for use in industrial machinery and floodlights. Current rating is based on using these connectors with the largest size 194° F rated cable in the wire size range given; current ratings decrease as the cable size decreases. The housing is shatter- and crack-resistant rubber so they can withstand rough environments. Push and twist to join plugs and sockets. When mated, they form a vibration-resistant connection to prevent accidental disconnection. Rated NEMA 3R, they protect against falling liquids and light splashing.
Adapters (sold separately) allow you to change the connector’s gender and make multiple connections from a single power source.
Caps (sold separately) protect connectors when not in use.
For technical drawings and 3-D models, click on a part number.

Connectors | Replacement Housings | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Current | Voltage | No. of Poles | Wire Connection Type | For Wire Gauge | OD | Temp. Range, °F | Environmental Rating | Choose a Color | Each | Each | ||
| 150A | 600V AC/600V DC | 1 | Screw Terminals | 8-2 | 1" | -75° to 220° | NEMA 3R | 0000000 | 000000 | 0000000 | 000000 | |
| 300A | 600V AC/600V DC | 1 | Screw Terminals | 2-2/0 | 1.8" | -75° to 220° | NEMA 3R | 0000000 | 00000 | 0000000 | 00000 | |
| 400A | 600V AC/600V DC | 1 | Screw Terminals | 2/0-4/0 | 1.8" | -75° to 220° | NEMA 3R | 0000000 | 00000 | 0000000 | 00000 | |



| Shape | For Connector Current | Voltage | Temp. Range, °F | Environmental Rating | Choose a Color | Each | |
| Straight, Female × Female | 300A/400A | 600V AC/600V DC | -75° to 220° | NEMA 3R | 0000000 | 000000 | |
| Tee, Male × Female × Female | 300A/400A | 600V AC/600V DC | -75° to 220° | NEMA 3R | 0000000 | 000000 | |
| Double Wye, Female × Male × Male × Male | 300A/400A | 600V AC/600V DC | -75° to 220° | NEMA 3R | 0000000 | 000000 |

| Max. Current | Voltage | Each | |
| 400A | 600V AC/600V DC | 00000000 | 000000 |






























