4.0 INSTALLATION
UL S2203
Cheetah Xi 50 Installation Manual
4-3
FM
P/N: 06-369
Rev 6, 09/2015
4.5
WIRE SELECTION
When planning the type of wire to be used, refer to National Electrical Code (NFPA 70), wire manufacturers
product specifications and National Fire Alarm and Signaling Code (NFPA 72). The wiring specifications
shown in Exhibit 4-2 may be used to estimate the appropriate wire size. Completely review the System
Components section for planning the appropriate wiring for each circuit and device.
TOP VIEW
FRONT VIEW
BOTTOM VIEW
DOOR FRONT VIEW
DOOR SIDE VIEW
SIDE VIEW
DOOR TOP VIEW
BACK BOX
Exhibit 4-1: Enclosure Dimensions
Size
(AWG)
Strands
Diameter
Uncoated Copper
Coated Copper
in.
mm
ohm/kFT
ohm/km
ohm/kFT
ohm/km
18
1
0.040
1.02
7.77
25.5
8.08
26.5
18
7
0.046
1.16
7.95
26.1
8.45
27.7
16
1
0.051
1.29
4.89
16.0
5.08
16.7
16
7
0.058
1.46
4.99
16.4
5.29
17.3
14
1
0.064
1.63
3.07
10.1
3.19
10.4
14
7
0.073
1.85
3.14
10.3
3.26
10.7
Exhibit 4-2: Conductor Properties
(excerpted from NFPA 70, Chapter 9, Table 8)
Summary of Contents for 10-071
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