Main Home • 0/20 Circuits Mapped
MyBreakerPanel Directory & Door Sticker
Snap your open breaker door (keep the inner metal dead-front cover bolted ON!) to pre-fill switch amperages and existing notes, or map each odd/even switch below and print a clean chart to tape inside your panel door.
Reading breaker handles, 2-pole ties & directory labels... (~6–10s)
Safe Circuit-Tracing Guide
DEAD-FRONT COVER ON
How to Map Mystery Switches Solo or With a Helper
- 1. Prep Sensitive Electronics: Shut down desktop PCs, gaming rigs, and TVs before flipping unknown breakers so hard drives and routers don't drop mid-write.
- 2. Solo Radio / Vacuum Trick: Working alone? Plug a loud radio, box fan, or vacuum into a room outlet so you can hear it cut off immediately from the basement panel. (With a helper, hop on speakerphone!)
- 3. Check Both Outlet Halves: Kitchen counter and living-room wall outlets are sometimes "split-wired"—test both top and bottom plugs with a $10 outlet tester or lamp.
- 4. Don't Miss Chained GFCIs: One 15A/20A breaker often feeds Garage + Porch + Basement Bathroom together through a single GFCI reset outlet—note all rooms on that line!
- 5. Big 2-Pole Switches (30A–60A): Double-wide tied switches power 240V gear (Central AC, Electric Dryer, Stove/Range, Electric Water Heater, or Subpanel)—never force half a tied handle.