Amprobe ST-102B Socket Tester with GFCI<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Tests standard &amp; GFCI sockets/outlets/receptacles for proper wiring (110-125V AC)</li><li>Verify proper wiring of GFCI (ground fault circuit interrupter) and standard US and Canadianwall outlets with a simple push of a button</li><li>Detect five different wiring faults [open ground， open neutral， open hot， hot/ground reverse， and hot/neutral reverse]</li><li>UL and CSA listed for safety</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41PpLbTKJ1L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/416FwSJ3SeL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51Wlyov%2BbIL.jpg" noproxy>