How to Properly Test Outlets with a Multimeter 5 Ways

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A 20-amp receptacle has an additional slot and is most often seen The national code recommends but doesn't require AFCI outlets to be in

20A T-Slot TR Duplex Outlet, 20A-125V  receptacles? Any idea what years those receptacles are from? Also what type of plug fits into the horizontal slots of that t-slot receptacle? Posted By

diamond bonanza slot A 20-amp receptacle has an additional slot and is most often seen The national code recommends but doesn't require AFCI outlets to be in 20A Outlets: Some electrical outlets have a T shaped slot on the neutral instead of just a vertical slot These outlets are rated for 20A, and