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Chapter 6: Installing the Switch on a Wall
88
Figure 9. 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 breaks up the concrete and cleans out the hole.
Clean out the holes with a brush or compressed air.
6. Insert the anchors into the holes.
4596b
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