Extech ET30A Circuit Tester

The Extech Circuit Tester is ideal for checking circuits, fuses, switches, and wiring.


  • Great for low voltage systems
  • DC voltage test range is between 6 and 24 V
  • 1 year warranty
Your Price $4.69
Usually ships in 1-2 weeks
Free Lifetime Tech SupportFree Lifetime Tech Support
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Extech ET30A Circuit TesterET30A Circuit tester
Usually ships in 1-2 weeks

The Extech Circuit Tester is the right choice for testing circuits, fuses, switches, or other wiring on cars, boats, motorcycles, as well as other low power systems like environmental dataloggers.

  • (1) Circuit Tester
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