Top picks:
| Image | Product Name | Amazon |
|---|---|---|
  | Sperry Instruments GFCI Outlet Tester. Standard 120V AC Outlets, 7 Visual Indication, Wiring Legend, Home & Professional Use. Hi-Impact Resistant ABS housing with soft over-molded rubber grips with a compact ergonomic design | VIEW |
| Klein Tools RT250 GFCI Outlet Tester with LCD Display. Electric Voltage Tester for Standard 3-Wire 120V. LARGE CLEAR LCD READOUT on receptacle tester to instantly view results without the need to look at a chart to understand results | VIEW |
| Sperry Instruments STK001 Non-Contact Electric Voltage Tester & GFCI Outlet / Receptacle Tester. Non-Contact sensitivity detects 50-1000V AC and patented battery self-test feature. 360° visual and beeping audio Voltage Detection. | VIEW |
| Klein Tools ET310 AC Circuit Breaker Finder, Electric Tester. This circuit breaker finder can quickly and accurately locate. Operates on 90-120V AC circuits, Built to withstand a 6.6-Foot. Transmitter connected to the electrical outlet. | VIEW |
| Sperry Instruments VD7504GFI DualCheck 2-in-1 Non-Contact Voltage Detector. Hi-Impact Resistant Polycarbonate Housing with soft over-molded rubber grips. Advanced ground testing circuitry precisely detects the required low resistance values. | VIEW |
| Klein Tools ET45VP Electrical Test Kit with GFCI Outlet Tester and AC/DC Voltage Tester. Voltage tester is designed to test AC voltages from 24 to 240V AC. DC voltages from 32 to 330V. Batteries not required, voltage tester is powered by the applied voltage. | VIEW |
| Triplett AC Line Splitter and GFCI Outlet / Receptacle Tester with 5 Visual Indicators. Check Outlet Wiring, Measure Voltage, And Use Your Clamp Meter To Measure Current Up To 15A. Use The 10X Position To Display Low Current Readings. | VIEW |
| Outlet Tester Kit, 2-Piece. The ground fault protective device and works on GFCI outlets. LED LIGHT illuminates and a warning tone sounds when voltage is detected. Thers has controlled ON / OFF power button. | VIEW |
| Klein Tools RT310 Outlet Tester, AFCI and GFCI Receptacle Tester for North American AC Electrical Outlets. Capable of detecting a dual-open wiring fault with simultaneous open neutral and open ground wires | VIEW |