While the FatMax 400 is not a dedicated wire finder, it can sense live wires in metal scanning mode when they are within 2 inches of a stud. If the device shows a stud and a “danger” icon (or erratic beeping), move your scan up/down to confirm—it might be a wire.
Before diving into the steps, here is what the FatMax 400 typically offers: stanley fatmax stud finder 400 manual
The FatMax 400 isn't just for wood. It has a "AC Scan" setting (usually the next click on the dial). While the FatMax 400 is not a dedicated
Before you cut into that wall, switch to AC Scan and go over the area. If the unit flashes a red lightning bolt or beeps rapidly, there is live wiring behind there. Do not drill. Thank the manual later. Before diving into the steps, here is what
After finding a horizontal center, scan vertically from floor to ceiling over that mark. A real stud will show a consistent 1.5-inch-wide signal. A pipe or wire will appear or disappear.