Electrical outlet tester for GFCI testing for correct wiring. May also be used to test standard 3-prong outlets for correct wiring. Checks for wiring errors like Open Ground, Open Neutral, Open Hot, Hot to Ground reversal and Hot to Neutral reversal. Correct wiring is indicated by all three lamps on the tester glowing yellow. Convenient Instruction Guide on the tester itself. Comfortable contoured grip. .......................B11X.
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