4.0 INSTALLA TION
UL S2203
Cheetah Xi Install ation Manual
4-3
FM
P/N: 06-356
Rev 9, 10/2016
Note:
Refer to Fike document 06-426, “Cheetah Xi Enclosure Installation Instructions” for further details.
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.
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)
Exhibi t 4-1: Cheetah Xi Enclos ure Dimensi ons (inches/cm)