30 Amp 100 ft RV Power Extension Cord TT-30P to L5-30R - Heavy Duty

Our review of this 30 Amp 100 ft RV power extension cord finds it aimed squarely at RV owners, trailer users and anyone needing a long, reliable feed from a generator or pedestal. The single biggest reason to buy is its heavy-duty STW 10AWG3 stranded copper construction that supports a full 30 Amp load, which makes it more trustworthy than chaining shorter cords together for extended runs. The cord is ETL listed and arrives with useful accessories, so it feels like a practical, no-nonsense upgrade for regular RV power use.

Key Features

• Heavy-duty construction: STW 10AWG3 stranded copper wire provides a durable conductor that supports a maximum 30 Amp load for consistent power delivery.
• Long reach: The 100 ft length lets users reach distant shore power or generators without combining multiple cords, reducing connection losses.
• Secure twist-lock: The L5-30R twist-lock female end gives a stable connection that resists accidental disconnection during use.
• Right-angle TT-30 plug with handle: The right-angle TT-30P is easier to insert and remove in tight spaces thanks to a molded handle for improved grip.
• Accessory kit included: The package includes an adjustable cord organizer, three wall adapters and a waterproof ring to tidy and protect connections in the field.

Who It's For

This cord is best for RV and camper owners who frequently set up at remote sites or need a longer run to reach a pedestal or a generator, and for anyone who prefers the simplicity of a single 100 ft run instead of two shorter cords. The ETL listing and 125V/3750W rating make it suitable for typical RV loads while camping, tailgating, or working from a mobile setup.

Those who should look elsewhere include users who need higher voltage or greater than 30 Amp service, or customers who require a softer, more flexible cord for constant coil-and-uncoil indoor use; this unit is designed for outdoor, heavy-duty power runs rather than light indoor extension tasks.

Pros & Cons

Pros

• Robust STW 10AWG construction offers dependable 30 Amp capacity and long-term durability.
• 100 ft length reduces the need to chain cords, improving safety and performance.
• Twist-lock L5-30R receptacle and right-angle TT-30P handle make connections secure and easier to manage.
• Included organizer, adapters and waterproof ring add practical value for RV setups.

Cons

• The trailer end fit can be a little snug on some rigs, so expect a firm connection rather than a loose fit.
• The cable is heavy and stiff by design, which may make storage and handling more cumbersome for some users.

Specifications

Length	100 ft
Maximum current	30 Amp
Wire type	STW 10AWG3 stranded copper
Configuration	NEMA TT-30P to L5-30R twist-lock
Voltage / Power	125V / 3750W
Listing	ETL listed
Package contents	Cord, adjustable cord organizer, 3 wall adapters, waterproof ring

Our Verdict

This 30 Amp 100 ft extension cord is a practical, value-focused choice for RVers and trailer owners who need a single reliable feed to a pedestal or generator. Its heavy-duty 10AWG construction, twist-lock receptacle and included accessories make it a sensible upgrade over shorter or multiple chained cords, offering long reach and solid build at a fair price.

Frequently Asked Questions

Will this cord handle my RV's power needs?
Yes, it is rated for 30 Amp service at 125V and 3750W, suitable for typical 30 Amp RV electrical systems.

Is the cord waterproof for outdoor use?
The package includes a waterproof ring to help protect the L5-30R connection, and the cord is designed for outdoor RV and generator use.

Is the cord easy to store?
The cord is heavy and relatively stiff due to 10AWG wiring, but it ships with an adjustable cord organizer to help coil and store it neatly.