... It is used to find the wood, metal studs and joists , AC live wires ... 100S1.It is used to find the wood, metal studs and joists , AC live wires when you ... pictures and mirrorsc. Install ceiling fans and chandeliersd. Install drapery rods and closet organizerse. Install plant hangers, towel ... Anchor machinery or furniture to walls g. Find metal pipes behind tile and in concreteh. Locates standard ...