description circuit gfi tester the greenlee gt-10gfi circuit tester is intended to verify correct wiring of any standard three-wire 120 volt receptacle. it is also used to verify the integrity of a three-wire gfi/gfci (ground fault interrupter/ground fault circuit interrupter). california proposition 65 warning. features use to troubleshoot 120 vac grounded outlets and test gfci receptacles light sequence indicates correct/incorrect wiring standard : etl voltage rating : 120 vac lifetime limited warranty specifications ac voltage 120 acme tools brand name greenlee acme tools part number 12125g application use this circuit tester to troubleshoot 120 vac grounded outlets and test gfci receptacles. assembled weight (lbs) 0.12 battery quantity required 0 battery size no battery required california proposition 65 warning required yes capacitance capable no case included no color / finish green country of origin china dc polarity indicator no dc voltage 0 depth (in) 1 digital / analog analog digital display no electronic yes globaltradeitemnumber (gtin) 00783310121251 internal supplier part # 50121251 internet product code (ipc) acd3d5f2a6e length (in) 3 manufacturer warranty lifetime limited warranty material plastic package contents circuit gfi tester package weight 0.17 package weight (lbs) 0.17 tester type circuit tests continuity no upc 783310121251 visual / audio alert visual voltage compatibility ac only weight (lbs) 0.0075 weight (oz) 0.12 width (in) 1.5