NEMA Straight Blade Reference Chart

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Straight Blades
Rating IP20 Suitability
Configuration Voltage Amperage Wires Poles Cord Plug Inlet Connector Outlet Receptacle Adapter
NEMA 1-15 Diagram
NEMA 1-15
125V AC 15 amps 2 Wires 2 Poles 1-15 1-15 - 1-15 - - 1-15
NEMA 1-20 Diagram
NEMA 1-20
125V AC 20 amps 2 Wires 2 Poles - - - - - - -
NEMA 1-30 Diagram
NEMA 1-30
125V AC 30 amps 2 Wires 2 Poles - - - - - - -
NEMA 2-15 Diagram
NEMA 2-15
250V AC 15 amps 2 Wires 2 Poles - - - - - - -
NEMA 2-20 Diagram
NEMA 2-20
250V AC 20 amps 2 Wires 2 Poles - 2-20 - - - 2-20 Custom
NEMA 2-30 Diagram
NEMA 2-30
250V AC 30 amps 2 Wires 2 Poles - - - - - - -
NEMA 5-15 Diagram
NEMA 5-15
125V AC 15 amps 3 Wires 2 Poles 5-15 5-15 5-15 5-15 5-15 5-15 5-15
NEMA 5-20 Diagram T-Slot
NEMA 5-20
T-Slot
125V AC 20 amps 3 Wires 2 Poles 5-20
T-Slot
5-20
T-Slot
5-20
T-Slot
5-20
T-Slot
5-20
T-Slot
5-20
T-Slot
5-20
T-Slot
NEMA 5-30 Diagram
NEMA 5-30
125V AC 30 amps 3 Wires 2 Poles 5-30 5-30 - - - 5-30 Custom
NEMA 5-50 Diagram
NEMA 5-50
125V AC 50 amps 3 Wires 2 Poles 5-50 5-50 - - - 5-50 Custom
NEMA 6-15 Diagram
NEMA 6-15
250V AC 15 amps 3 Wires 2 Poles 6-15 6-15 6-15 6-15 6-15 6-15 Custom
NEMA 6-20 Diagram T-Slot
NEMA 6-20
T-Slot
250V AC 20 amps 3 Wires 2 Poles 6-20
T-Slot
6-20
T-Slot
6-20
T-Slot
6-20
T-Slot
6-20
T-Slot
6-20
T-Slot
6-20
T-Slot
NEMA 6-30 Diagram
NEMA 6-30
250V AC 30 amps 3 Wires 2 Poles Custom 6-30 - - - 6-30 Custom
NEMA 6-50 Diagram
NEMA 6-50
250V AC 50 amps 3 Wires 2 Poles Custom 6-50 - - - 6-50 Custom
NEMA 7-15 Diagram
NEMA 7-15
277V AC 15 amps 3 Wires 2 Poles Custom 7-15 - - - 7-15 Custom
NEMA 7-20 Diagram
NEMA 7-20
277V AC 20 amps 3 Wires 2 Poles - - - - - - -
NEMA 7-30 Diagram
NEMA 7-30
277V AC 30 amps 3 Wires 2 Poles Custom 7-30 - - - 7-30 Custom
NEMA 7-50 Diagram
NEMA 7-50
277V AC 50 amps 3 Wires 2 Poles Custom 7-50 - - - 7-50 Custom
NEMA 10-20 Diagram
NEMA 10-20
125/250V AC 20 amps 3 Wires 3 Poles Custom 10-20 - - - 10-20 Custom
NEMA 10-30 Diagram
NEMA 10-30
125/250V AC 30 amps 3 Wires 3 Poles Custom 10-30 - - - 10-30 Custom
NEMA 10-50 Diagram
NEMA 10-50
125/250V AC 50 amps 3 Wires 3 Poles Custom 10-50 10-50 - - 10-50 Custom
NEMA 11-15 Diagram
NEMA 11-15
3Ø 250V AC 15 amps 3 Wires 3 Poles - - - - - - -
NEMA 11-20 Diagram
NEMA 11-20
3Ø 250V AC 20 amps 3 Wires 3 Poles - - - - - - -
NEMA 11-30 Diagram
NEMA 11-30
3Ø 250V AC 30 amps 3 Wires 3 Poles - - - - - - -
NEMA 11-50 Diagram
NEMA 11-50
3Ø 250V AC 50 amps 3 Wires 3 Poles - - - - - - -
NEMA 14-15 Diagram
NEMA 14-15
125/250V AC 15 amps 4 Wires 3 Poles - - - - - - -
NEMA 14-20 Diagram
NEMA 14-20
125/250V AC 20 amps 4 Wires 3 Poles Custom 14-20 - - - 14-20 Custom
NEMA 14-30 Diagram
NEMA 14-30
125/250V AC 30 amps 4 Wires 3 Poles Custom 14-30 - - - 14-30 Custom
NEMA 14-50 Diagram
NEMA 14-50
125/250V AC 50 amps 4 Wires 3 Poles Custom 14-50 - - - 14-50 Custom
NEMA 14-60 Diagram
NEMA 14-60
125/250V AC 60 amps 4 Wires 3 Poles Custom 14-60 - - - 14-60 Custom
NEMA 15-15 Diagram
NEMA 15-15
3Ø 250V AC 15 amps 4 Wires 3 Poles - - - - - - -
NEMA 15-20 Diagram
NEMA 15-20
3Ø 250V AC 20 amps 4 Wires 3 Poles Custom 15-20 - - - 15-20 Custom
NEMA 15-30 Diagram
NEMA 15-30
3Ø 250V AC 30 amps 4 Wires 3 Poles Custom 15-30 - - - 15-30 Custom
NEMA 15-50 Diagram
NEMA 15-50
3Ø 250V AC 50 amps 4 Wires 3 Poles Custom 15-50 - - - 15-50 Custom
NEMA 15-60 Diagram
NEMA 15-60
3Ø 250V AC 60 amps 4 Wires 3 Poles Custom 15-60 - - - 15-60 Custom
NEMA 18-15 Diagram
NEMA 18-15
3ØY 120/208V AC 15 amps 4 Wires 4 Poles - - - - - - -
NEMA 18-20 Diagram
NEMA 18-20
3ØY 120/208V AC 20 amps 4 Wires 4 Poles Custom 18-20 - - - 18-20 Custom
NEMA 18-30 Diagram
NEMA 18-30
3ØY 120/208V AC 30 amps 4 Wires 4 Poles Custom 18-30 - - - 18-30 Custom
NEMA 18-50 Diagram
NEMA 18-50
3ØY 120/208V AC 50 amps 4 Wires 4 Poles Custom 18-50 - - - 18-50 Custom
NEMA 18-60 Diagram
NEMA 18-60
3ØY 120/208V AC 60 amps 4 Wires 4 Poles Custom 18-60 - - - 18-60 Custom
NEMA 24-15 Diagram
NEMA 24-15
347V AC 15 amps 3 Wires 2 Poles - - - - - - -
NEMA 24-20 Diagram
NEMA 24-20
347V AC 20 amps 3 Wires 2 Poles - - - - - - -
NEMA 24-30 Diagram
NEMA 24-30
347V AC 30 amps 3 Wires 2 Poles - - - - - - -
NEMA 24-50 Diagram
NEMA 24-50
347V AC 50 amps 3 Wires 2 Poles - - - - - - -

Note

National Electrical Manufacturers Association (NEMA) as approved by American National Standards Institute (ANSI) published ANSI/NEMA WD 6 to specify Wiring Device dimensional specifications. The male and female cord ends identified in this document are categorized as Non-Locking Type and Locking Type.

The Non-Locking Type which have flat blades are commonly referred to a Straight Blade. We have provided the full list of NEMA configurations that have been specified. This does NOT mean the units are commercially available as many have never been put into production by the various electrical wiring device manufacturers. You will note in the cross reference that - (not available) appears often to largely reflect the absence of a commercially produced product.

National Electric Code (NEC) also influences the options in which a wiring device is offered. For instance female cord connectors, panel outlets, and panel inlets are not typically NOT found over 20 Amps due to limiting guidance in the published NEC.