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This RV circuit tester will help to verify the power Source, prevent incorrect wiring, avoid damage to your RV Electronic Equipment. Anti-slip design increases friction and makes plugging and unplugging much easier.


The shell is coated with durable heavy-duty flame retardant, heat resilient ABS sheath, and the plug is forged from an integrated copper sheet.

Our RV Circuit Tester pass ETL certification, which follows the same safety standards as Underwriter Laboratories or UL.

The circuit analyzer is designed with LED Indicator Light, which will identify and judge whether the power source is safe.

It is small and portable, and it doesn't take up any extra space in the RV. It is super-convenient when you are camping around the country.

Anti-slip design increases friction and makes plugging and unplugging much easier.

Plug in the RV circuit analyzer into a 30A power source and check the LED indicators on the display. Note: Before plugging the circuit tester into the power pedestal, make sure the corresponding circuit breakers are in the “OFF” position.
Plug in the RV circuit analyzer into a 30A power source and check the LED indicators on the display. If a wiring faulty pattern is indicated, please find the park staff to fix the issue. If the LED pattern indicates the“correct wiring”it is safe to plug in your RV.




Nilight 30 Amp RV Circuit Tester
This RV circuit tester will help to verify the power Source, prevent incorrect wiring, avoid damage to your RV Electronic Equipment. Anti-slip design increases friction and makes plugging and unplugging much easier.

The shell is coated with durable heavy-duty flame retardant, heat resilient ABS sheath, and the plug is forged from an integrated copper sheet.

Our RV Circuit Tester pass ETL certification, which follows the same safety standards as Underwriter Laboratories or UL.

The circuit analyzer is designed with LED Indicator Light, which will identify and judge whether the power source is safe.

It is small and portable, and it doesn't take up any extra space in the RV. It is super-convenient when you are camping around the country.

Anti-slip design increases friction and makes plugging and unplugging much easier.

Plug in the RV circuit analyzer into a 30A power source and check the LED indicators on the display. Note: Before plugging the circuit tester into the power pedestal, make sure the corresponding circuit breakers are in the “OFF” position.
Plug in the RV circuit analyzer into a 30A power source and check the LED indicators on the display. If a wiring faulty pattern is indicated, please find the park staff to fix the issue. If the LED pattern indicates the“correct wiring”it is safe to plug in your RV.
![]() 30Amp RV Power Outlet Box | ![]() 30Amp RV Surge Protector | ![]() 30Amp RV Extension Cord | ![]() 30A/15A RV Adapter Cord | ![]() 30A Replacement Plug Set | ![]() 50A/30A RV Power Adapter | ![]() 30A RV Shore Power Inlet |
|---|---|---|---|---|---|---|
| Customer Reviews | ||||||
| — | — | — | — | — | — | — |
| Price | ||||||
| — | — | — | — | — | — | — |
| Item Type | ||||||
| Power Outlet Box | Surge Protector | RV Extension Cord | RV Y Splitter Adapter Cord | RV Replacement Plug Set | RV Power Adapter | RV Shore Power Outlet Kit |
| Plug Type | ||||||
| TT-30R | TT-30P/TT-30R | TT-30P/TT-30R | TT-30P to (2) 5-15R | TT-30P/TT-30R | 14-50P/TT-30R | L5-30P/L5-30R |
| Voltage | ||||||
| 125V | 125V | 125V | 125V | 125V | 125V | 125V |
| Electric Current | ||||||
| 30 Amp | 30 Amp to 30 Amp | 30 Amp to 30 Amp | 30 Amp to (2) 15 Amp | 30 Amp | 50 Amp to 30 Amp | 30 Amp |
| Application | ||||||
| RV | RV | Generator, RV | Generator, RV | RV | Generator, RV | RV |
| RV | ||||||
| ? | ? | ? | ? | ? | ? | ? |
| EV | ||||||
| ? | ? | ? | ? | ? | ? | ? |
| Generator | ||||||
| ? | ? | ? | ? | ? | ? | ? |
| Brand | Nilight |
| Power Source | Corded Electric |
| Style | Tester |
| Color | 30A Circuit Tester |
| Min. Operating Voltage | 125 volts |
| Minimum Operating Voltage | 125 volts |
| Measurement Type | Electrical Measurements |
| Compatible Devices | RVs, campers, trailers, and motorhomes with 30A power sources |
| Style Name | Tester |
| Specification Met | ETL |
| Brand Name | Nilight |
| Model | 50338RV |
| Unit Count | 1 Count |
| UPC | 840323915830 |
| Manufacturer | Nilight |
| Global Trade Identification Number | 00840323915830 |
| Included Components | 1pc RV Circuit Tester |
| Part Number | 50338RV |