Quick answer
14-50P identifies the plug and 14-50R identifies the receptacle. Confirm both endpoint labels, the complete cord rating, and the connected equipment requirements. Do not assume every 50A outlet is 14-50.
14-50 electrical configuration
Leviton identifies 14-50R as a 50A, 125/250V, three-pole, four-wire grounding receptacle. The family is straight blade rather than locking.
Permanent device markings and manufacturer documentation should be used to confirm the configuration.
Generator use depends on the actual equipment
Some portable generators include a 14-50R outlet. A compatible cord still needs the correct plug, destination connector, current and voltage ratings, environment rating, and length.
A 14-50 receptacle may also appear in other applications. Physical compatibility does not by itself prove that a generator, RV, appliance, or adapter arrangement is electrically appropriate.
Product to compare
Amazon · paid linksCamco 55195 Power Grip — 30 ft 50A RV extension cord
Compare this extension cord for a matching 50A RV connection after verifying both endpoint labels and the RV manufacturer’s instructions.
- 14-50P → 14-50R
- 30 ft
- 50A / 125–250V
- 6/3 + 8/1 copper
Amazon product code (ASIN): B0024ECIP0
See the current price and available sellers on Amazon.
Advantages
- 30 ft extension for matching 14-50 RV connections.
- Copper conductors in a 50A-rated cord assembly.
- 90-degree connector heads with grip handles.
Limitations
- Does not mate with a CS6375 building inlet.
- Does not fit a TT-30 connection.
- A 50A cord cannot increase the generator’s available output.
Check before buying: The female 14-50R does not mate with a CS6375 building inlet requiring a CS6364 cord connector. A 50A cord does not increase generator capacity.
Based on manufacturer specifications; not independently field-tested by CordFind. Confirm the model and both connector labels before buying.
Adapter limitations
A listed adapter may connect a specific source to a specific destination, but it cannot increase source capacity, create missing conductors, or change the voltage requirements of the load.
Avoid adapter chains and any configuration that obscures ratings or exposes energized contacts.
14-50 compared with L14-30
14-50 is a 50A straight-blade family; L14-30 is a 30A locking family. Both may involve 125/250V four-wire grounding configurations, but their current classes and physical designs differ.
Choose from the exact equipment labels, not from a broad “30 amp versus 50 amp” assumption.
Frequently asked questions
Common questions
Is NEMA 14-50 a generator-only connector?
No. It appears in multiple high-capacity applications. Verify the specific generator and destination equipment.
Is 14-50 a locking plug?
No. NEMA 14-50 is a straight-blade family.
Can a 14-50 adapter increase generator output?
No. An adapter cannot increase the generator or circuit capacity.
Primary references
CordFind summarizes connector specifications and public safety guidance. Always follow the instructions supplied with your equipment.
- Leviton — 14-50R Product Specifications
- Leviton — 50A Heavy-Duty Receptacle Bulletin