WaveWare Apollo T-2000 Informazioni Techniche Scaricare il pdf (Pagina 19)

Certification Manual

- 19 -

possible using “fish tape.” Again, try not to disturb the insulation as much

as possible when pulling wire and installing old work boxes.

It is important to locate and use stud and rafter structures to hang our

equipment on and to find hollow wall spaces in which to run our wire.

Figure 4 gives the typical distances from center to center on various

structures. Remember that these are the common distances. Whenever,

there are corners, doors, windows, etc., there may be less. This is where a

stud finder is essential.

Working in Existing Facilities

Another thing to consider when

running wire and installing components

at an existing facility is that the wall

cavity that we want to use may be

used by other contractors for things

such as electrical wiring for outlets and

switches, water supply and drain

pipes, etc. We can share the space, but special care must be taken when

sawing or drilling into the sheetrock so as not to damage wiring or

plumbing. This is not only expensive to replace, but is also very

dangerous. So take care and use a stud finder that has the ability to locate

pipes and wiring. Between studs mark a spot 48” center from the floor.

Then, before cutting into the wall for an old work box, use a small

screwdriver and carefully poke through the sheetrock and “feel around” with

it. Then you can mark the outline of the “old work box” on the wall in

pencil and use a sheetrock saw confidently. Old work boxes slide into

existing sheetrock walls and are secured by little “rabbit ears” (as seen in

figure 4) on the upper right and lower left corners. These ears swing out as

the screwdriver turns to tighten the box to the wall

Figure

ork

1 2 ... 14 15 16 17 18 19 20 21 22 23 24 ... 113 114

Nessun commento

WaveWare Apollo T-2000 Informazioni Techniche Pagina 19