Figure 35. Marking the Locations of the Bracket Holes on a Concrete Wall
4. Place the switch on a table.
5. Use a drill and a 1/4-inch carbide drill bit to pre-drill the holes you
marked in step 3. Please review the following guidelines:
Prior to drilling, set the drill to hammer and rotation mode. The
modes break up the concrete and clean out the hole.
Clean out the holes with a brush or compressed air.
6. Insert the anchors into the holes.
x530L Series Installation Guide for Stand-alone Switches
4596
81