Klein Tools, GFCI Receptacle Tester with LCD, Model# RT250

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- GFCI Receptacle Tester features a large backlit LCD readout of voltage and clear indication of wiring conditions
- LCD readout shows the time required to trip a GFCI device
- Detect and identify common wiring faults
- Patent pending detection of Open Neutral Open Ground wiring fault
- Auto-Hold is convenient for hard-to-reach outlets
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