|  | 9.4 | Structured Cable Run Installation
| 9.4.1 | Easiest procedure for routing cable
The easiest way to route cable is to mount it on a wall. However, this method should only be used in situations where you are sure the cable will not be bumped or pulled. Can you think of possible locations where this technique could be used? To wall mount cable you need to select a device that will secure it to a wall. One such device is the tie-wrap. If it is unlikely that a tie-wrap will need to be removed, you can use an adhesive tie-wrap. While it is easy to use, remember that it cannot be moved or repositioned later. If you think it is likely that the cable may have to be moved in the future, a tie-wrap, with holes punched in it, is a better choice. To use this type of tie-wrap, you need to drive screws into the wall. To drive screws into a masonry wall, the first thing you must do is drill holes into the wall. However, this can present problems. If you need holes smaller than 9.5 mm in diameter, you can use an electric drill equipped with a carbide bit. Be prepared for the work to go slowly. If you need holes larger than 9.5 mm in diameter, the electric drill will probably overheat. For this task, you need to use a tool called a hammer drill. A hammer drill resembles an oversized electric drill, but unlike an electric drill, it hammers rapidly while the bit is turning. (Note: By pushing the hammer drill firmly against your work, you can increase the hammering power and consequently the drilling speed.) Never use staples to attach cable to walls. The use of staples to secure cable does not conform to TIA/EIA-568A specification.
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