Sweetglow 50A to 30A RV Adapter & Surge Protector — NEMA 14-50P to TT-30R, 18.5" with Circuit Breaker

Sweetglow's 50A to 30A RV adapter converts a NEMA 14-50 campground outlet to a TT-30 hookup while adding surge and overload protection in a compact 18.5-inch housing.

When you need to plug a 30-amp RV into a 50-amp shore power or want a reversible adapter that protects your rig’s electrical system, this Sweetglow unit combines safe power conversion with built-in circuit protection. It’s engineered for outdoor use with pure copper conductors, a rugged UV-resistant sleeve, and an ETL safety listing for reliable campground performance.

How does this adapter keep my RV safe from overloads and spikes?

The adapter includes an internal circuit breaker that trips if the current exceeds 30A, preventing sustained overloads. A surge-resistant casing and wiring help reduce the risk of damage from short spikes, and the ETL listing confirms testing to national safety standards.

• Integrated 30A circuit breaker that trips instantly on overload.
• Heavy-duty casing resists voltage spikes and outdoor wear.
• ETL-listed for compliance with U.S. safety testing.

Will this work with my trailer or camper electrical system?

This adapter is compatible with standard North American RV connectors: NEMA 14-50P (50A male) and TT-30R (30A female). The device is also bidirectional, so it can act as 50A-to-30A or be used in reverse when needed, making it versatile for many setups.

• Supports NEMA 14-50P to TT-30R conversions and reverse use.
• Rated 125V / 3750W to match common RV electrical loads.
• LED power indicator shows when power is present.

What materials and construction ensure durability outdoors?

Sweetglow uses 100% pure copper conductors for efficient, low-resistance power transfer, and each wire is sheathed in a UV-resistant polyvinyl sleeve to withstand sun exposure and rough handling. The connector housings are heavy-duty to resist cracking and moisture intrusion at campsites.

• Pure copper wiring for reliable conductivity and heat dissipation.
• UV-resistant polyvinyl sleeve to prevent weather degradation.
• Robust molded plugs and strain-relief design to reduce wear.

How long is the adapter and what convenience features does it include?

The Sweetglow adapter measures 18.5 inches overall, giving extra reach and flexibility when connecting to pedestal outlets. It features a visible LED to confirm live power and a compact form factor that’s easy to stow in an RV bay or garage.

• 18.5-inch length for easier access to power pedestals.
• LED power indicator for quick verification of incoming power.
• Compact design for simple storage and transport.

Who is this for? This adapter is designed for RV owners, camper and trailer enthusiasts, and occasional users who need to connect a 30-amp coach to a 50-amp source or vice versa while adding a layer of protection against overloads and surges. It’s ideal for frequent campers, full-time RVers, and anyone who needs a durable, ETL-listed conversion solution that’s easy to use and store.