Mounting a Cabinet Section 3 Installation
NFS-3030 Installation PN 51330:C 10/28/2003 19
3.3 Mounting a Cabinet
This section provides instructions for mounting the CAB-4 Series backbox to a wall. Follow these
guidelines when mounting the backbox:
• Locate the backbox so that the top edge is 66 inches (1.6764 m) above the surface of the finished
floor.
• Allow sufficient clearance around cabinet for door to swing freely. (See Section 2.4 “System
Cabinets”.)
• Use the four holes in the back surface of the backbox to provide secure mounting (See Figure 4).
• Mount the backbox on a surface that is in a clean, dry, vibration-free area.
Follow the instructions below.
1. Mark and pre-drill holes for the top two keyhole mounting bolts.
2. Select and punch open the appropriate knock-outs. (For selection guidelines, see Section 3.16 “UL
Power-limited Wiring Requirements”.)
3. Using the keyholes, mount the backbox over the two screws.
4. Mark the location for the two lower holes, remove the backbox and drill the mounting holes.
5. Mount the backbox over the top two screws, then install the remaining fasteners. Tighten all
fasteners securely.
6. Feed wires through appropriate knockouts.
7. Install CPU and other components according to this section, before installing hinges and door (see
CAB-3/CAB-4 Series Cabinet Installation Document).
Figure 4 Backbox-Mounting Holes and Chassis-Mounting Studs
!
CAUTION: Unless you are familiar with the placement of components within this backbox, only
use the knockout locations provided for conduit entry.
Keyholes
2 places
Mounting holes
2 places
CAB-4 Series backbox,
A-size (one-row)
CAB4cabinetmountingholes.cdr
CAB-4 Series backbox,
D-size (four-row)
Chassis-
mounting
studs
(2 per row of
backbox)
Chassis-
mounting
studs
(2 per row of
backbox)
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