50 Amp Generator Plug 125/250V CS6364 - Heavy Duty Twist-Lock

Our review of the 50 Amp Generator Plug (CS6364) finds it best suited for owners of portable or standby generators who need a rugged, weather-resistant connector for high-demand circuits. The single biggest reason to buy is its combination of a heavy-duty build and outdoor safety features: the dust seal, twist locking mechanism and weatherproof spring cover work together to keep contacts clean and secure under moving or exposed conditions. This plug is presented as a durable, clearly marked solution for generators up to the stated running wattage and is straightforward to install for anyone comfortable with standard electrical hookups.

Key Features

• Heavy Duty Protection: A dust seal prevents contaminants from entering the wiring chambers, extending service life in dusty or outdoor settings.
• High Power Compatibility: Engineered for generators with up to about 12,500 running watts, it supports larger portable and backup power applications.
• Safety in Design: The twist locking mechanism and weatherproof spring cover secure the connection and help protect against the elements when used outdoors.
• User-Friendly Terminals: The Perma-Lock terminal ensures a permanent, reliable connection while the device is clearly marked for amperage, voltage, rating and NEMA configuration.
• Versatile Housing: A rounded rear housing reduces the chance of snagging on stairs or equipment, making it easier to use on movable generators and cords.
• Certifications: UL listed and CSA certified, which adds independent reassurance about construction and safety.

Who It's For

This connector is ideal for RV owners, contractors and homeowners who run medium to large portable generators and need a robust, locked connection for temporary or occasional heavy loads. It is particularly useful where exposure to dust, moisture or movement is likely, and where a clearly labeled, permanent wiring connection is desired.

People who require a specialized pin configuration or extremely frequent plug/unplug cycles in industrial settings may want to compare alternatives tailored to continuous commercial use, but for most residential, RV and light commercial generator applications this plug is a sensible, reliable choice.

Pros & Cons

Pros

• Durable construction and dust seal deliver long-term protection against contaminants in outdoor use.
• Twist-lock and weatherproof cover improve safety and secure connections during operation.
• Perma-Lock terminal and clear markings make installation straightforward and permanent.
• Rounded housing reduces snag risk when moving equipment or running cords.

Cons

• Designed for generators up to 12,500 running watts, so it may be overkill or unnecessary for very small portable units.
• Not intended as a continuous-use industrial connector; occasional-use and residential applications are the primary fit.

Specifications

Model	CS6364
Amperage	50 Amp
Voltage	125 Volt / 250 Volt
Compatibility	Generators up to ~12,500 running watts
Safety Features	Twist-lock, weatherproof spring cover, dust seal
Terminals	Perma-Lock terminal, clearly marked device
Certifications	UL listed, CSA certified

Our Verdict

The CS6364 50 Amp generator plug is a well-built, safety-focused connector that delivers clear value for RV owners, homeowners and contractors running larger portable generators. Its durable seals, twist-locking and Perma-Lock terminals make it a dependable choice for outdoor or movable setups, offering reliable performance without unnecessary complexity.

Frequently Asked Questions

Is this plug weatherproof?
Yes, it includes a weatherproof spring cover and dust seal to protect contacts in outdoor use.

What generator size is this for?
It is engineered for generators with a maximum running wattage of up to about 12,500, suitable for many larger portable units.

Does it require special wiring?
No special wiring is required beyond standard practices; the Perma-Lock terminal is intended to create a secure, permanent connection during installation.