I recently moved into a home where the light switches are all wrong. I was able to fix one problem, and the rest is a daily reminder that usability doesn’t just happen—it takes planning.
On one wall, a pair of light switches was poorly mapped. The left switch operated a lamp to the right, and the right switch operated a lamp to the left. The previous resident’s solution to this confusing mapping was to put a red dot on one of the switches, presumably as a reminder. I put up with that for about three days. Continue reading “Natural mapping of light switches”