Or you can choose another simple method without fixing ST4x20 screws
Dig
out
a
square
hole(height*width*depth=155
5*95.5*65mm) for inserting
the embedded box.
Note: The size of the hole
should be a little bigger than
recommended value that it
can accommodate all needed
cables.
Use
cement
or
non-corrosive structural
adhesives to fill the gap
between the wall and
embedded box. Wait the
adhesive
material
desiccation, go to the next
step.
Use
four
M4x10
screws to fix the
flush-mounting
bracket
on
the
embedded box.
