Page 229 - Electromechanical Devices and Components Illustrated Sourcebook
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Chapter 10 Wire and Conductors 191
NEMA Enclosure
Environments 1 3R 4 4X 5 6 6P 7 9 12 13
Indoor
Indoor and Outdoor
Rain and Light Splashing
Dust, Lint and Fibers
Wash Down
Light Oil and Coolant
Heavy Oil and Coolant
Corrosive
Temporary Submersion
Prolonged Submersion
Hazardous Locations
Class I, Div. 1, Group A,B,C and D
Class II, Div. 1, Group E, F and G
Figure 10-74 NEMA Standard Enclosure Environmental Guide Lines
Tape Spool
Wire Hook
Pull Handle
Tape
Flange
Cast Top
Clamp Bolts
Rewind Grip
Figure 10-75 Explosion Proof Enclosure Figure 10-76 Fish Tape
Conduit Size
AWG 1/2 inchs 3/4 inchs 1 inchs 1-1/4 inchs 1-1/2 inchs 2 inchs 2-1/2 inchs 3 inchs 3-1/2 inchs 4 inchs
14 12 22 35 61 84 138 241 364 476 608
12 9 16 26 45 61 101 176 266 347 443
10 5 10 16 28 38 63 111 167 219 279
8 3 6 9 16 22 36 64 96 126 161
6 2 4 7 12 16 26 46 69 91 1 16
4 1 2 4 7 10 16 28 43 56 71
3 1 1 3 6 8 13 24 36 47 60
2 1 1 3 5 7 11 20 30 40 51
1 1 1 1 4 5 8 15 22 29 37
Figure 10-77 Maximum Number of Conductors in Conduit (THHN)
