Check the listing for details. Fluke ST120 One-Button GFCI Socket Tester. Condition: New. Listed at 20.15 USD. Subscribe to Our NewsletterFluke ST120 One-Button GFCI Socket Tester Brand:FlukeModel No:ST120Ref No:5310329Our Model No:ST120 Product OverviewFeaturesPlug into socket - with bright, easy-to-see LEDs, verify correct wiring or identify common wiring problems in both standard and GFCI outletsIntegrated GFCI test - feel secure knowing that GFCI-equipped outlets are functioning properlyWith handy chart, quickly identify one of six wiring conditions for outletsThree bright, easy-to-see LED indictors, lets users see one of six wiring scenarios:Correct installationOpen groundOpen neutralOpen hotHot/neutral reversedHot/ground reversedRated operating Voltage: 110 to 125 V ACWattage: 0.3 WFrequency: 50/60 HzGFCI test: YesIndicator lights: 1 red, 2 green LEDsRating: CAT III 300 VWarranty: Two yearsDescription The Fluke ST120 GFCI socket tester checks that each wire in the outlet is properly connected to the building's electrical system. Via the bright LEDs and included chart on the front of the tester, users can quickly and easily verify the wiring of an outlet. Able to identify several common wiring errors, including reversed phase and neutral wires and an open ground, the ST120 will give users confidence on their next job. One-button GFCI tests The included GFCI test button on the socket tester allows users to test the operation of GFCI outlets. With a single push, the ST120 can verify the operation of any GFCI equipped outlet. If the GFCI trips as expected, perfect - the user can move on. If not, it is time for the user tp take a closer look.Included Components1 - ST120 One-Button GFCI Socket TesterTerms & ConditionsPlease note estimated delivery time above. Contact us for details or if you have a delivery requirement. We ask for your patience while striving to ensure your shipment arrives quickly and accurately.Domestic ShippingFREE Standard Shipping on items OVER $75 and less than 30lbs to continental U.S. Add $36 for AK, HI, or PR. Please contact us for shipping rates to any overseas US territories including: Northern Mariana Islands, Guam, Puerto Rico, U.S. Virgin Islands and American Samoa.PO Boxes/APOs require USPS shipping and may therefore experience longer lead times6.25% Sales Tax for shipping to MAInternational ShippingDue to international voltage requirements, please ask us prior to purchasing to confirm your product will operate correctly in your country.Please contact us for shipping rates to any overseas U.S. territories.International customers are responsible for all shipping charges, including any duties or taxes.