Drilling through pipes or wires can result in expensive damage. [substeps] If you are concerned about possible pipes or electrical wires, consult with a professional before you drill or cut into the wall.
[header] How to install a medicine cabinet [title] Scan the wall with a stud finder. [step] Use a stud finder to locate your wall's studs, and mark the locations of the studs with a pencil. Bathroom walls can conceal pipes and electrical wires, so you should use caution if your stud finder identifies any other objects behind the drywall.