30 Amp 36 ft RV Power Cord Twist Locking - Heavy Duty Extension

Our review of the CircleCord 30 Amp 36 ft RV power cord finds it best suited to RV owners and seasonal campers who need a reliable, heavy duty extension between shore power and their trailer. The single biggest reason to buy is its combination of a 36 ft reach with thick STW pure copper wiring and a twist lock L5-30R connector that gives a weatherproof, secure connection; that mix makes it noticeably more robust than the thin, short cords often supplied with campsites. It is a practical, no-frills cord for anyone who values durability and easy handling.

Key Features

• 30 Amp rating: Provides the standard 30 amp, 125 V capacity for most RV trailer camper shore power hookups and supports up to 3750 W safely.
• 36 ft length: The extra reach lets users park farther from pedestals without needing an additional cable or risky daisy chaining.
• STW pure copper wiring: Heavy gauge 10 AWG copper conductors deliver consistent conductivity and lower voltage drop under load than thinner cords.
• Grip handle and twist lock: Molded grip on the male plug eases plugging and unplugging while the threaded twist lock female connector gives a secure, weather-resistant connection.
• Rugged jacket: Flame retardant, heat and UV resistant PVC jacket protects the cord from rain, sun, soil and abrasion for outdoor longevity.
• Storage accessories: Includes an adjustable cord organizer and storage bag so the cord stays tidy and portable between trips.

Who It's For

This cord is ideal for RV and trailer owners who want a durable, mid-length extension that handles regular outdoor use without fuss. It suits users who need a secure twist lock connection at the pedestal and prefer a heavy gauge copper conductor to reduce heat buildup and voltage drop on typical campsite loads.

It is less well suited for users who require a much longer run without splicing; the manufacturer suggests ordering multiple cords if you need 100 ft. Also, if ultra-lightweight portability is the priority, the thick 10 gauge construction is notably heavier than thin consumer cords.

Pros & Cons

Pros

• Sturdy 10 gauge pure copper conductors deliver reliable power with lower voltage drop.
• 36 ft length provides useful extra reach compared with many dealer-supplied cords.
• Twist lock receptacle and molded grip handle make connections secure and easier to handle.
• Durable, weather resistant jacket and included organizer improve longevity and storage.

Cons

• The cord is thick and heavy, which can make handling and coiling more work for a single person.
• Those needing continuous runs near 100 ft will need to buy two cords and join them, instead of a single long cable.

Specifications

Electrical rating	30 amp, 125 V, max 3750 W
Length	36 ft
Wire type	STW pure copper, 10 gauge
Plugs	TT-30P male to L5-30R twist lock female
Jacket	Flame retardant, heat and UV resistant PVC
Certifications	ETL listed
Included accessories	Adjustable cord organizer and storage bag

Our Verdict

The CircleCord 30 Amp 36 ft RV power cord is a solid, hardwearing choice for RV owners who want a secure, weatherproof connection and lower voltage drop from 10 gauge pure copper wiring. It represents good value when durability and reliable campsite performance matter, though the thicker construction makes it noticeably heavy to carry. For anyone who prioritizes dependable shore power and neat storage, it is an easy recommendation.

Frequently Asked Questions

Can I join two of these cords to reach 100 ft?
Yes, the manufacturer suggests purchasing two cords to achieve longer runs, but take care to use proper connections and avoid excessive voltage drop for high loads.

Is the female end weatherproof?
The twist lock L5-30R has a threaded ring and molded construction designed to provide a weather-resistant, secure connection at the pedestal.

Is this cord suitable for EV charging?
Some customers report it works well for EV charging at compatible pedestals, but confirm connector compatibility and current requirements before use.