Inline surge protection in the adapter body, so the pedestal joint is protected without a separate device on the cord.
| Plug / Connector Standard: | NEMA L5-30P to NEMA TT-30R |
| Maximum Current rating: | 30A to 30A |
| Maximum Voltage: | 125V |
| Number of Poles and Wires: | Plug: 3 prong 2 poles 3 wires / Socket: 3 prong 2 poles 3 wires |
| Surge Protection: | Inline element housed in the adapter body |
| Indicator and Cover: | LED indicator and weather cover fitted |
| Housing Material: | PA66 |
| Blade Material: | Nickel Coated Brass |
| Flamability Rating: | UL 94V-0 |
| Color | As shown. Custom colours available to order |
| Safety Certification: | UL 817, UL, cULus |
| Environmental Certifications: | RoHS, REACH |
| Testing: | Hi-Pot (Dielectric Withstanding Voltage), Polarity (pinout) and Continuity |
| Country of Origin: | Made In China |
| Packing: | Standard Export Carton |
The NEMA L5-30P to NEMA TT-30R adapter with the indicator puts the indicator and weather cover on the NEMA L5-30P to NEMA TT-30R adapter. The connection is the same as the NEMA L5-30P to NEMA TT-30R adapter, 30A 125V, UL 817 with UL and cULus listing.
It suits connections that are left in place: the cover keeps the RV socket clean between stays, and the LED panel reports the state of the locking outlet the adapter is plugged into.
Dock and yard hookups where the adapter is part of the permanent setup, and for trailers that are connected and disconnected around a boat or a work truck. Current and voltage do not change from the plain version.
Read the indicator on first hookup each season, then check the trailer cord end for heat marks. If the supply shows a fault, fix the outlet rather than compensating somewhere else in the chain.
Order the indicator version when both are required. The plain build is the same part without them.
Common questions about NEMA L5-30P to NEMA TT-30R RV surge adapters
The cover is worth it on its own because the RV socket is otherwise open to spray between uses, and the indicator tells you what the dock outlet is doing before the trailer or boat cord goes on. Ratings are the same as the plain version.
No. The adapter stays 30A 125V on both ends with UL 817, UL and cULus listing. The fittings are on the housing, not in the circuit.
The locking collar on the outlet, the condition of the blades and any corrosion on the pins. Dock power is often the oldest power on the property. If the collar is cracked the plug will work loose, and a loose locking joint arcs.
Yes, with the cover closed when the cord is off. Unplug it before storms and check the connector faces each season. Long-term outdoor joints should be inspected rather than assumed good.