UEi Test Instruments Ectgfi Ground Fault Indicator Tester<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>UEi Test Instruments has over 45 years experience designing and manufacturing a broad range of Test and Measurement Tools.</li><li>For testing 110V AC outlets - Instant testing of circuit breaker in GFI outlets with ground fault button (6-7mA)</li><li>Instant display or wiring condition for standard outlet - UL listed</li></ul></div><img src="http://ecx.images-amazon.com/images/I/416WZjOpKAL.jpg" noproxy>