Couple tips. Use a stud finder to locate the stud(s) you need to secure the hardware. Second, take the cover plate off outlet and you will see the exposed box. If you are lucky you might be able to get some visualization of where the Romex cable comes in and hence from what direction.
EducationCute1640 t1_j59lzfs wrote
Reply to Installing TV bracket in concrete wall. How to avoid electric wires? by BJJnoob1990
Couple tips. Use a stud finder to locate the stud(s) you need to secure the hardware. Second, take the cover plate off outlet and you will see the exposed box. If you are lucky you might be able to get some visualization of where the Romex cable comes in and hence from what direction.