After tracking down which circuit a switch or outlet belongs to, jotting the breaker number on the inside of the outlet cover or switch plate means only one trip to the electric panel is ever needed again for that fixture.
Three Handy Hints for Home Electrical and Kitchen Efficiency

A few small hints that save trips to the breaker panel, rescue a crayon-decorated wall, and trim a little energy off every meal cooked on the stove.
Label Outlet Covers With the Breaker Number
Remove Crayon Marks With Baking Soda
A rag dipped in baking soda and lightly scrubbed over crayon marks on a wall lifts them off with very little effort, leaving a fresh canvas for the next masterpiece.
Cover Pans While Cooking
Keeping a lid on pans while cooking on the stove reduces the energy that escapes and cuts down on how long it takes to heat food or boil water.
Got a handy tip of your own?
Reply and let us know, we love hearing your tips.
This edition is part of the Genius House Hacks archive: 20+ years of tips, rebuilt from the original Handy Hints newsletter. Browse more hacks →