Product Description

50 AMP RV Circuit Tester

Nilight 50 Amp RV Circuit Tester

125V/6250W RV Circuit Analyzer with LED Indicator

  • Rated for 125V/6250W.
  • Adapter: 50 Amp NEMA 14-50P Male Plug.
  • Material: The shell is coated with heavy-duty flame retardant, heat resilient ABS sheath; Constructed with 100% pure copper ensuring high conductivity.
  • Application: compatible with most RVs, campers, trailers and motorhomes.

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.


  • 50 AMP RV Circuit Tester: Features NEMA 14-50P Plug and is rated for 125 volts/6250 watts. This RV circuit tester will help to verify the power Source, prevent incorrect wiring, avoid damage to your RV Electronic Equipment. The shell is coated with durable heavy-duty flame retardant, heat resilient ABS sheath; Constructed with 100% pure copper ensuring high conductivity. It is compatible with most RVs, campers, trailers and motorhomes.
  • Circuit Analyzer: Our RV circuit tester is designed with LED Indicator Light, which will identify and judge whether the power source is safe. Together with the diagnostic chart provides LED indication guide for the following wiring condition: Power ON/Correct Wiring, NO Power, L1 Open, L2 Open, Open Ground, L1-Netural Reversed, L2-Netural Reversed, L1-Ground Reversed, L1-Ground Reversed, Open Neutral. If a wiring faulty pattern is indicated, please contact the park staff to fix the issue.
  • Easy installation: Anti-slip design increases friction and makes plugging and unplugging much easier. A series of diagnostic LEDs indicate the status of the source circuit. Plug in the RV circuit analyzer into a 50A 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.
  • ETL Certified: Our RV circuit tester has been tested at an ETL laboratory and found to meet all applicable Standards for Safety published by relevant NRTLs. ETL certification follows the same safety standards as Underwriter Laboratories or UL.
  • Package includes: 50 amp RV Circuit Tester plug and installation guidance.

50 AMP RV Circuit Tester

High Temperature Resistant

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

50 AMP RV Circuit Tester

ETL Listed

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

50 AMP RV Circuit Tester

LED Indicator Lights

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

50 AMP RV Circuit Tester

Compact Size

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.


Product Features

50 AMP RV Circuit Tester

Non-slip Grip Handle

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

50 AMP RV Circuit Tester

Plug & Play

Plug in the RV circuit analyzer into a 50A 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.


Using Instructions

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.


High Performance RV Circuit Tester

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1. Accepted Methods: Credit/Debit Cards (Visa, MasterCard, Amex), eBay Managed Payments.

2. Requirement: Immediate payment required at checkout.

3. Note: Orders unpaid 48h will be automatically cancelled.

4. Your security is our priority. All payments are processed through eBay’s encrypted system.

Provide Free Shipping for most items.

Q: How long does it take to process an order?

A: Delivery within 24-48 hours on weekdays (delayed on weekends/holidays)

Q: How long does it take to receive the goods?

A: Within the United States: 3-5 working days | International: 7-15 working days (customs clearance time may be extended)

Q: How do I track the package?

A: Log in to your eBay account "Purchase History" Click on the order details.

30-day unconditional return (original packaging and unused required)

NOTICE: if return, only return to our PA address, thanks. 


Q: How long does it take to get a refund?
A: The warehouse will process it within 2 days after receipt (excluding bank processing time)
Q: What if the return package is lost?
A: Provide a screenshot of the tracking number and we will assist in the investigation
Q: Can I exchange the product?
A: Yes! Contact customer service for a quick exchange

Contact us to resolve the issue without opening a dispute directly

Welcome to contact us If you have any question or concern, 

please contact us via eBay message. Customer satisfaction is very important to us.