Buy the AMES Electrical Receptacle Tester with GFCI Diagnosis (Item 63929) for $3.99 with coupon code 69461958, valid through June 30, 2020. See the coupon for details.
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The Ames Electrical Receptacle Tester checks GFCI outlets for proper operation and checks for seven wiring conditions overall. Simply place tester in outlet. Press black “overload” button to test circuit interruption.
The AMES Electrical Receptacle Tester with GFCI Diagnosis (Item 63929) has a 5-star rating on HarborFreight.com. Stretch your dollar further at Harbor Freight. Shop our Items Under $10 Sale, going on now through June 30, 2020.