Page 258 - ZSi-Foster-Engineering-Catalog
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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)
   W150 Type Gauge 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
 14 172
12 126 FEP, FEPB 10 90 8 51 6 24
                127
    81
  81
    67
   36
  92
  59
59
  49
 26
 66
  42
  42
  35
   19
  38
  24
24
  20
 11
 17
 11
 12
 9
  5
    RH, RHH, RHW
14 52 12 45 10 37
8 20 6 14
            38
 24
 26
 20
  12
 33
  21
  22
  17
   10
  27
  17
18
  14
 8
 14
 9
 10
 7
  4
 10
  6
  7
  5
   3
  14 124
12 95 T, TW 10 69 8 36 6 21
             91
  58
58
  48
 26
 70
 45
 45
 37
  20
 51
 33
 33
 27
  14
 26
  17
  18
  14
   8
  15
  9
10
  8
 5
      THHN, THWN
14 178 12 130 10 82 8 46 6 33
            131
 84
 84
 69
  37
 95
  61
  61
  50
   27
  60
  38
38
  32
 17
 34
 21
 22
 17
  10
 24
  15
  16
  12
   7
  14 82
12 66 THW 10 52 8 29 6 21
               61
  39
39
  32
 17
 49
 31
 31
 26
  14
 38
  24
  24
  20
   11
  21
  13
14
  11
 6
 15
 10
 10
 8
  5
 14 124
12 95 XHHW 10 71 8 37 6 27
              91
  58
  58
  48
   26
  70
  45
45
  37
 20
 52
 33
 33
 28
  15
 27
  17
  19
  14
   8
  20
   13
 14
   10
  6
      Wire Size AWG
 W200, W200KO W210, W210KO
   W300, W300KO
 W500, W500KO
   14
 10
 10
  6
   12
 10
 10
  6
   10
 8
 6
  -
   8
  6
  4
   -
   6
 3
   2
  -
  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
– 258 –
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