Score

The Klein Tools RT210 GFCI Receptacle Tester receives a moderate score, praised for its reliability, ease of use, and clear readings on electrical issues, making it a solid value at its price point. However, customer concerns about inconsistent testing results, durability, and inadequate support from the manufacturer hint at quality control issues that potential buyers should consider.

7/10
Overall

Pros

  • β€’Detects common wiring problems in standard and GFCI receptacles.
  • β€’Provides clear indications with bright lights for the wiring status.
  • β€’Durable design with drop resistance up to 6.6 ft (2m).
  • β€’Easy to use with a light code key printed on the device.

Cons

    Bottom Line

    The Klein Tools RT210 GFCI Receptacle Tester is ideal for anyone needing a reliable and durable tool to detect common wiring issues. It offers bright light indications and a straightforward design for ease of use. With its robust construction, it's built to withstand significant drops, making it a dependable choice for professionals and DIY enthusiasts alike.

    Product Score

    Based on professional reviews and customer feedback

    7/10
    Overall
    7/10
    Consumer

    Why this score?

    The Klein Tools RT210 GFCI Receptacle Tester receives a moderate score, praised for its reliability, ease of use, and clear readings on electrical issues, making it a solid value at its price point. However, customer concerns about inconsistent testing results, durability, and inadequate support from the manufacturer hint at quality control issues that potential buyers should consider.

    8+ Excellent
    6-8 Good
    4-6 Average
    <4 Poor
    Lowest at Amazon
    $12.97 at Amazon
    Lowest at any Popular Retailer
    $12.58 at The Home Depot

    Where to Buy

    Prices last updated: August 22nd 2025 5:42 pm
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