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  • Valterra A10-50CTVP - RV 50A Circuit Carded Tester
  • Valterra A10-50CTVP - RV 50A Circuit Carded Tester
  • Valterra A10-50CTVP - RV 50A Circuit Carded Tester
  • Valterra A10-50CTVP - RV 50A Circuit Carded Tester

Valterra A10-50CTVP - RV 50A Circuit Carded Tester

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  • Detail
    • Tests for faulty wiring in 4-wire receptacles
    • Detects 9 wiring faults
    • Lights indicate circuit condition
    • For 4-prong plug outlets
    • 50A
    • 125/250V
    • cETL listed
  • Customer Reviews
    Laila**********i II

    Simple, effective, and reliable. The color-coded lights make it idiot-proof, which is great because I'm not an electrician. Just plug and play. Love it!

    Mrs. K************y Sr.

    Best investment for electrical safety. Caught a wiring issue at a state park before it damaged my AC unit. This tester paid for itself instantly. Don't leave home without it.

    Ben******iel

    It works, but the cord is a bit short for some pedestal configurations. I have to awkwardly angle it sometimes. Functionality is fine, just design could be better.

    Zoi*******e I

    Solid build quality. I've dropped it twice on concrete and it still works perfectly. The 50A testing is accurate and gives me confidence at every new campsite.

    Dr. ********pel

    I call this my 'RV pregnancy test' – two green lines (well, lights) mean everything is good! Super easy to use before hooking up the big rig. Essential gear.

    Rhia********ens

    Works as advertised. The LEDs are bright enough to see in daylight. Only wish it came with a small carrying pouch, but that's minor. Does the job well.

    Erne*********ricka

    Peace of mind for under twenty bucks? Sign me up. It’s compact, easy to read, and saved me from a potentially fried converter. Highly recommend for any RVer.

    Dr. ********s II

    This little black box is the MVP of my RV setup. Plugged it in, lights went green, and I knew my power was safe. No more guessing games with shady campground pedestals!