iam no expert but i had nec codes class last year and from what i remember and how i read it the receptacle is placed within 3ft of the edge of the basin, this means measure away from the basin horizontally and within 3ft you have to put the outlet. i was told at the time of the class it should be counter height. typically the outlet is installed around the basin level no women in a powder room wants to bend over to the floor to plug in all her beauty equipment. i
