Page 248 - ZF-Catalog-ZSi-Foster-08-19-R3
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Electrical Installation Instructions
  These surface metal raceways are intended for use in the installation
of electrical wiring using external joiners. The number, type and size of conductors, which may be installed in these raceways, are tabulated in table below.
Fluorescent and Incandescent Lighting
Consult your local, state and federal electrical code for all installations
While the metal wire raceway cover provides electrical continuity to the base and ground wires, if screws are required, they are to be installed in the field. Installation shall conform to Strut-Type Channel Raceway and Fittings UL5B.O
  Wire
Maximum Number of Electrical Wires (at 40% fill)
            Type
Gauge
14
W150 15⁄8" x 31⁄4" 12 gauge
W100 15⁄8" x 27⁄16" 12 gauge
W200 15⁄8" x 15⁄8" 12 gauge
W210 15⁄8" x 15⁄8" 14 gauge
W300 15⁄8" x 13⁄8" 12 gauge
W400 15⁄8" x 13⁄16" 16 gauge
         12
 FEP, FEPB
10
 8
 6
  14
 RH, RHH, RHW
12
 10
  T, TW
8
 6
 14
 12
 10
 8
 6
  14
 THHN, THWN
12
 10
 8
 6
  14
 THW
12
 10
 8
 6
  XHHW
14
 12
 10
 8
 6
   172 127 81
126 92 59
90 66 42
51 38 24
24 17 11
52 38 24
45 33 21
37 27 17
20 14 9
81 67 36
59 49 26
42 35 19
24 20 11
12 9 5
26 20 12
22 17 10
18 14 8
10 7 4
         14 10 6 7 5 3
 124 91 58
95 70 45
69 51 33
36 26 17
21 15 9
178 131 84
58 48 26
45 37 20
33 27 14
18 14 8
10 8 5
84 69 37
      130 95
82 60
46 34
33 24
82 61
66 49
52 38
29 21
21 15
124 91
95 70
71 52
37 27
27 20
61 61 50 27
38 38 32 17
21 22 17 10
15 16 12 7
39 39 32 17
31 31 26 14
24 24 20 11
13 14 11 6
10 10 8 5
58 58 48 26
45 45 37 20
33 33 28 15
17 19 14 8
13 14 10 6
14 10 10 6
12 10 10 6
10 8 6 -
864-
632-
                Wire Size AWG
  W200, W200KO W210, W210KO
  W300, W300KO
  W500, W500KO
  Maximum Number Of Wires
Also suitable for the number of wires in table below when installed to support and supply electric discharge type lighting fixtures when raceway wiring is suitable for at least 70°C and clearance between fixture and raceway is at least 1⁄8". In all cases, a snap-in cover is required to complete the raceway enclosure.
Wire Types - R, RH, T, THW, TW, TF, RUH, and RUW
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