|
Conduit Fill Table
|
Trade Size in Inches
|
Wire Size (THWN, THHN) Conductor
Size AWG/kcmil
|
|
14
|
12
|
10
|
8
|
6
|
4
|
3
|
2
|
1
|
1/0
|
2/0
|
3/0
|
4/0
|
250
|
300
|
350
|
400
|
500
|
600
|
700
|
750
|
|
1/2
|
EMT
|
12
|
9
|
5
|
3
|
2
|
1
|
1
|
1
|
1
|
1
|
--
|
--
|
--
|
--
|
--
|
--
|
--
|
--
|
--
|
--
|
--
|
|
IMC
|
14
|
10
|
6
|
3
|
2
|
1
|
1
|
1
|
1
|
1
|
1
|
--
|
--
|
--
|
--
|
--
|
--
|
--
|
--
|
--
|
--
|
|
GALV
|
13
|
9
|
6
|
3
|
2
|
1
|
1
|
1
|
1
|
1
|
--
|
--
|
--
|
--
|
--
|
--
|
--
|
--
|
--
|
--
|
--
|
|
3/4
|
EMT
|
22
|
16
|
10
|
6
|
4
|
2
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
--
|
--
|
--
|
--
|
--
|
--
|
--
|
--
|
|
IMC
|
24
|
17
|
11
|
6
|
4
|
3
|
2
|
1
|
1
|
1
|
1
|
1
|
1
|
--
|
--
|
--
|
--
|
--
|
--
|
--
|
--
|
|
GALV
|
22
|
16
|
10
|
6
|
4
|
2
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
--
|
--
|
--
|
--
|
--
|
--
|
--
|
--
|
|
1
|
EMT
|
35
|
26
|
16
|
9
|
7
|
4
|
3
|
3
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
--
|
--
|
--
|
--
|
--
|
|
IMC
|
39
|
29
|
18
|
10
|
7
|
4
|
4
|
3
|
2
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
--
|
--
|
--
|
--
|
|
GALV
|
36
|
26
|
17
|
9
|
7
|
4
|
3
|
3
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
--
|
--
|
--
|
--
|
|
1 1/4
|
EMT
|
61
|
45
|
28
|
16
|
12
|
7
|
6
|
5
|
4
|
3
|
2
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
--
|
|
IMC
|
68
|
49
|
31
|
18
|
13
|
8
|
6
|
5
|
4
|
3
|
2
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
|
GALV
|
63
|
46
|
29
|
16
|
12
|
7
|
6
|
5
|
4
|
3
|
2
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
--
|
|
1 1/2
|
EMT
|
84
|
61
|
38
|
22
|
16
|
10
|
8
|
7
|
5
|
4
|
3
|
2
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
|
IMC
|
91
|
67
|
42
|
24
|
17
|
10
|
9
|
7
|
5
|
4
|
4
|
3
|
3
|
2
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
|
GALV
|
85
|
62
|
39
|
22
|
16
|
10
|
8
|
7
|
5
|
4
|
3
|
3
|
2
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
|
Trade Size in Inches
|
Wire Size (THWN, THHN) Conductor
Size AWG/kcmil
|
|
14
|
12
|
10
|
8
|
6
|
4
|
3
|
2
|
1
|
1/0
|
2/0
|
3/0
|
4/0
|
250
|
300
|
350
|
400
|
500
|
600
|
700
|
750
|
|
2
|
EMT
|
138
|
101
|
63
|
36
|
26
|
16
|
13
|
11
|
8
|
7
|
6
|
5
|
4
|
3
|
2
|
1
|
1
|
1
|
1
|
1
|
1
|
|
IMC
|
149
|
109
|
68
|
39
|
38
|
17
|
15
|
12
|
9
|
8
|
6
|
5
|
4
|
3
|
3
|
2
|
2
|
1
|
1
|
1
|
1
|
|
GALV
|
140
|
102
|
64
|
37
|
27
|
16
|
14
|
11
|
8
|
7
|
6
|
5
|
4
|
3
|
3
|
2
|
2
|
1
|
1
|
1
|
1
|
|
2 1/2
|
EMT
|
241
|
176
|
111
|
64
|
46
|
28
|
24
|
20
|
15
|
12
|
10
|
8
|
7
|
6
|
5
|
4
|
4
|
3
|
2
|
2
|
1
|
|
IMC
|
211
|
154
|
97
|
56
|
40
|
25
|
21
|
17
|
13
|
11
|
9
|
7
|
6
|
5
|
4
|
4
|
3
|
3
|
2
|
1
|
1
|
|
GALV
|
200
|
146
|
92
|
53
|
38
|
23
|
20
|
17
|
12
|
10
|
8
|
7
|
6
|
5
|
4
|
3
|
3
|
2
|
1
|
1
|
1
|
|
3
|
EMT
|
364
|
226
|
167
|
96
|
69
|
43
|
36
|
30
|
22
|
19
|
16
|
13
|
11
|
9
|
7
|
6
|
6
|
5
|
4
|
3
|
3
|
|
IMC
|
362
|
238
|
150
|
86
|
62
|
38
|
32
|
27
|
20
|
17
|
14
|
12
|
9
|
8
|
7
|
6
|
5
|
4
|
3
|
3
|
3
|
|
GALV
|
309
|
225
|
142
|
82
|
59
|
36
|
31
|
26
|
19
|
16
|
13
|
11
|
9
|
7
|
6
|
5
|
5
|
4
|
3
|
3
|
3
|
|
3 1/2
|
EMT
|
476
|
347
|
219
|
126
|
91
|
56
|
47
|
40
|
29
|
25
|
20
|
17
|
14
|
11
|
10
|
9
|
8
|
6
|
5
|
4
|
4
|
|
IMC
|
436
|
318
|
200
|
115
|
83
|
51
|
43
|
36
|
27
|
23
|
19
|
16
|
13
|
10
|
9
|
8
|
7
|
6
|
5
|
4
|
4
|
|
GALV
|
412
|
301
|
189
|
109
|
79
|
48
|
41
|
34
|
25
|
21
|
18
|
15
|
12
|
10
|
8
|
7
|
7
|
5
|
4
|
4
|
4
|
|
4
|
EMT
|
608
|
443
|
279
|
161
|
116
|
71
|
60
|
51
|
37
|
32
|
26
|
22
|
18
|
15
|
13
|
11
|
10
|
8
|
7
|
6
|
5
|
|
IMC
|
562
|
410
|
258
|
149
|
107
|
66
|
56
|
47
|
35
|
29
|
24
|
20
|
17
|
13
|
12
|
10
|
9
|
7
|
6
|
5
|
5
|
|
GALV
|
531
|
387
|
244
|
140
|
101
|
62
|
53
|
44
|
33
|
27
|
23
|
19
|
16
|
13
|
11
|
10
|
8
|
7
|
6
|
5
|
5
|
Above
information referenced from tables C1, C4, and C8 in the national electric
code of 1996.
For more information on the following types of conduit, please see the
table listed below in the appendix C of the national electric code of
1996.
Rigid PVC Conduit, Schedule 80 -- Table C9
Rigid PVC Conduit, Schedule 40 -- Table C10
Flexible Metallic Conduit -- Table C3
Liquidtight Flexible Metallic Conduit -- Table C7
Liquidtight Flexible Nonmetallic Conduit (Type FNMC-B)-- Table C5
Voltage Drop Table
|
Volts Drop =
|
FACTOR x AMPS x FEET
---------------------------------
100
|
|
Copper Conductor - 90% Power Factor
|
|
AWG
|
1ø
|
3ø
|
|
14
|
.4762
|
.4167
|
|
12
|
.3125
|
.2632
|
|
10
|
.1961
|
.1677
|
|
8
|
.1250
|
.1087
|
|
6
|
.0833
|
.0714
|
|
4
|
.0538
|
.0463
|
|
3
|
.0431
|
.0379
|
|
2
|
.0323
|
.0278
|
|
1
|
.0323
|
.0278
|
|
0
|
.0269
|
.0231
|
|
00
|
.0222
|
.0196
|
|
000
|
.0190
|
.0163
|
|
0000
|
.0161
|
.0139
|
|
250
|
.0147
|
.0128
|
|
300
|
.0131
|
.0114
|
|
350
|
.0121
|
.0106
|
|
400
|
.0115
|
.0091
|
|
500
|
.0101
|
.0088
|
|
Commonly Used Conversion
Factors
|
|
Multiply:
|
By:
|
To Obtain:
|
|
Acres
|
43560
|
Square
Feet
|
|
Acres
|
1.562
x 10-3
|
Square
Miles
|
|
Acre-Feet
|
43560
|
Cubic
Feet
|
|
Amperes
per sq cm
|
6.452
|
Amperes
per sq in.
|
|
Amperes
per sq in.
|
0.1550
|
Amperes
per sq cm.
|
|
Ampere-Turns
|
1.257
|
Gilberts
|
|
Ampere-Turns
per cm
|
2.540
|
Ampere-Turns
per in.
|
|
Ampere-Turns
per in.
|
0.3937
|
Ampere-Turns
per cm.
|
|
Atmospheres
|
76.0
|
Cm
of mercury
|
|
Atmospheres
|
29.92
|
Inches
of mercury
|
|
Atmospheres
|
33.90
|
Feet
of Water
|
|
Atmospheres
|
14.70
|
Pounds
per sq in.
|
|
British
thermal units
|
252.0
|
Calories
|
|
British
thermal units
|
778.2
|
Foot-Pounds
|
|
British
thermal units
|
3.960
x 10-4
|
Horsepower-Hours
|
|
British
thermal units
|
0.2520
|
Kilogram-calories
|
|
British
thermal units
|
107.6
|
Kilogram-meters
|
|
British
thermal units
|
2.931
x 10-4
|
Kilowatt-hours
|
|
British
thermal units
|
1055
|
Watt-seconds
|
|
Btu
per hour
|
2.931
x 10-2
|
Kilowatts
|
|
Btu
per minute
|
2.359
x 10-2
|
Horsepower
|
|
Btu.
per minute
|
1.759
x 10-2
|
Kilowatts
|
|
Bushels
|
1.244
|
Cubic
Feet
|
|
Multiply:
|
By:
|
To Obtain:
|
|
Centimeters
|
0.3937
|
Inches
|
|
Circular
mils
|
5.067
x 10-6
|
Square
centimeters
|
|
Circular
mils
|
0.7854
x 10-6
|
Square
inches
|
|
Circular
mils
|
0.7854
|
Square
mils
|
|
Cords
|
128
|
Cubic
Feet
|
|
Cubic
Centimeters
|
6.102
x 10-6
|
Cubic
Inches
|
|
Cubic
feet
|
0.02832
|
Cubic
meters
|
|
Cubic
feet
|
7.481
|
Gallons
|
|
Cubic
feet
|
28.32
|
Liters
|
|
Cubic
Inches
|
16.39
|
Cubic
centimeters
|
|
Cubic
meters
|
35.31
|
Cubic
feet
|
|
Cubic
meters
|
1.308
|
Cubic
yards
|
|
Cubic
yards
|
0.7646
|
Cubic
meters
|
|
Degrees
[angle]
|
0.01745
|
Radians
|
|
Dynes
|
2.248
x 10-6
|
Pounds
|
|
Ergs
|
1
|
Dyne-centimeters
|
|
Ergs
|
7.37
x 10-6
|
Foot-pounds
|
|
Ergs
|
10-7
|
Joules
|
|
Farads
|
106
|
Microfarads
|
|
Fathoms
|
6
|
Feet
|
|
Feet
|
30.48
|
Centimeters
|
|
Feet
of Water
|
.08826
|
Inches
of mercury
|
|
Multiply:
|
By:
|
To Obtain:
|
|
Feet
of Water
|
304.8
|
Kg
per square meter
|
|
Feet
of Water
|
62.43
|
Pounds
per square ft.
|
|
Feet
of Water
|
0.4335
|
Pounds
per square in.
|
|
Foot-pounds
|
1.285
x 10-2
|
British
thermal units
|
|
Foot-pounds
|
5.050
x 10-7
|
Horsepower-hours
|
|
Foot-pounds
|
1.356
|
Joules
|
|
Foot-pounds
|
0.1383
|
Kilogram-meters
|
|
Foot-pounds
|
3.766
x 10-7
|
Kilowatt-hours
|
|
Gallons
|
0.1337
|
Cubic
Feet
|
|
Gallons
|
231
|
Cubic
Inches
|
|
Gallons
|
3.785
x 10-3
|
Cubic
Meters
|
|
Gallons
|
3.785
|
Liters
|
|
Gallons
per minute
|
2.228
x 10-3
|
Cubic
Feet per second
|
|
Gausses
|
6.452
|
Lines
per square in.
|
|
Gilberts
|
0.7958
|
Ampere-turns
|
|
Henries
|
103
|
Millihenries
|
|
Horsepower
|
42.41
|
Btu
per min
|
|
Horsepower
|
2544
|
Btu
per hour
|
|
Horsepower
|
550
|
Foot-pounds
per sec
|
|
Horsepower
|
33000
|
Foot-pounds
per min
|
|
Horsepower
|
1.014
|
Horsepower
(metric)
|
|
Horsepower
|
10.70
|
Kg
calories per min
|
|
Horsepower
|
0.7457
|
Kilowatts
|
|
Multiply:
|
By:
|
To Obtain:
|
|
Horsepower
(boiler)
|
33520
|
Btu
per hour
|
|
Horsepower
- hours
|
2544
|
British
thermal units
|
|
Horsepower
- hours
|
1.98
x 106
|
Foot-pounds
|
|
Horsepower
- hours
|
2.737
x 105
|
Kilogram-meters
|
|
Horsepower
- hours
|
0.7457
|
Kilowatt-hours
|
|
Inches
|
2.540
|
Centimeters
|
|
Inches
of mercury
|
1.133
|
Feet
of water
|
|
Inches
of mercury
|
70.73
|
Pounds
per square ft.
|
|
Inches
of mercury
|
0.4912
|
Pounds
per square in.
|
|
Inches
of water
|
25.40
|
Kg
per square meter
|
|
Inches
of water
|
0.5781
|
Ounces
per square in.
|
|
Inches
of water
|
5.204
|
Pounds
per square ft.
|
|
Joules
|
9.478
x 10-4
|
British
thermal units
|
|
Joules
|
0.2388
|
Calories
|
|
Joules
|
107
|
Ergs
|
|
Joules
|
0.7376
|
Foot-Pounds
|
|
Joules
|
2.778
x 10-7
|
Kilowatt-hours
|
|
Joules
|
0.1020
|
Kilogram-meters
|
|
Joules
|
1
|
Watt-seconds
|
|
Kilograms
|
2.205
|
Pounds
|
|
Kilogram-calories
|
3.968
|
British
thermal units
|
|
Kilogram
meters
|
7.233
|
Foot-pounds
|
|
Kg
per square meter
|
3.281
x 10-3
|
Feet
of water
|
|
Multiply:
|
By:
|
To Obtain:
|
|
Kg
per square meter
|
0.2048
|
Pounds
per square ft.
|
|
Kg
per square meter
|
1.422
x 10-3
|
Pounds
per square in.
|
|
Kilolines
|
103
|
Maxwells
|
|
Kilometers
|
3.281
|
Feet
|
|
Kilometers
|
0.6214
|
Miles
|
|
Kilowatts
|
56.87
|
Btu
per min
|
|
Kilowatts
|
737.6
|
Foot-pounds
per second
|
|
Kilowatts
|
1.341
|
Horsepower
|
|
Kilowatts-hours
|
3.415
|
British
thermal units
|
|
Kilowatts-hours
|
2.655
x 106
|
Foot-pounds
|
|
Knots
|
1.152
|
Miles
|
|
Liters
|
0.03531
|
Cubic
Feet
|
|
Liters
|
61.02
|
Cubic
Inches
|
|
Liters
|
0.2642
|
Gallons
|
|
Log
Ne or in N
|
0.4343
|
Log10N
|
|
Log
N
|
2.303
|
Loge
N or in N
|
|
Lumens
per square ft.
|
1
|
Footcandles
|
|
Maxwells
|
10-3
|
Kilolines
|
|
Megalines
|
106
|
Maxwells
|
|
Megaohms
|
106
|
Ohms
|
|
Meters
|
3.281
|
Feet
|
|
Meters
|
39.37
|
Inches
|
|
Meter-kilograms
|
7.233
|
Pound-feet
|
|
Multiply:
|
By:
|
To Obtain:
|
|
Microfarads
|
10-6
|
Farads
|
|
Microhms
|
10-6
|
Ohms
|
|
Microhms
per cm cube
|
0.3937
|
Microhms
per in cube
|
|
Microhms
per cm cube
|
6.015
|
Ohms
per mil foot
|
|
Miles
|
5280
|
Feet
|
|
Miles
|
1.609
|
Kilometers
|
|
Miner's
Inches
|
1.5
|
Cubic
feet per min.
|
|
Ohms
|
10-6
|
Megohms
|
|
Ohms
|
106
|
Microhms
|
|
Ohms
per mil foot
|
0.1662
|
Microhms
per cm cube
|
|
Ohms
per mil foot
|
0.06524
|
Microhms
per in. cube
|
|
Poundals
|
0.03108
|
Pounds
|
|
Pounds
|
32.17
|
Poundals
|
|
Pound-feet
|
0.1383
|
Meter-kilograms
|
|
Pounds
of water
|
0.01602
|
Cubic
Feet
|
|
Pounds
of water
|
0.1198
|
Gallons
|
|
Pounds
per cubic foot
|
16.02
|
Kg
per cubic meter
|
|
Pounds
per cubic foot
|
5.787
x 10-4
|
Pounds
per cubic in.
|
|
Pounds
per cubic inch
|
27.68
|
Grams
per cubic cm.
|
|
Pounds
per cubic inch
|
2.768
x 10-4
|
Kg
per cubic meter
|
|
Pounds
per cubic inch
|
1.728
|
Pounds
per cubic ft.
|
|
Pounds
per square foot
|
0.01602
|
Feet
of Water
|
|
Multiply:
|
By:
|
To Obtain:
|
|
Pounds
per square foot
|
4.882
|
Kg
per square meter
|
|
Pounds
per square foot
|
6.944
x 10-3
|
Pounds
per sq. in.
|
|
Pounds
per square inch
|
2.307
|
Feet
of Water
|
|
Pounds
per square inch
|
2.036
|
Inches
of Mercury
|
|
Pounds
per square inch
|
703.1
|
Kg
per square meter
|
|
Radians
|
57.30
|
Degrees
|
|
Square
centimeters
|
1.973
x 105
|
Circular
mils
|
|
Square
Feet
|
2.296
x 10-5
|
Acres
|
|
Square
Feet
|
0.09290
|
Square
meters
|
|
Square
inches
|
1.273
x 106
|
Circular
mils
|
|
Square
inches
|
6.452
|
Square
centimeters
|
|
Square
Kilometers
|
0.3861
|
Square
miles
|
|
Square
meters
|
10.76
|
Square
feet
|
|
Square
miles
|
640
|
Acres
|
|
Square
miles
|
2.590
|
Square
kilometers
|
|
Square
Millimeters
|
1.973
x 103
|
Circular
mils
|
|
Square
mils
|
1.273
|
Circular
mils
|
|
Tons
(long)
|
2240
|
Pounds
|
|
Tons
(metric)
|
2205
|
Pounds
|
|
Tons
(short)
|
2000
|
Pounds
|
|
Multiply:
|
By:
|
To Obtain:
|
|
Watts
|
0.05686
|
Btu
per minute
|
|
Watts
|
107
|
Ergs
per sec
|
|
Watts
|
44.26
|
Foot-pounds
per in
|
|
Watts
|
1.341
x 10-3
|
Horsepower
|
|
Watts
|
14.34
|
Calories
per min
|
|
Watts-hours
|
3.412
|
British
thermal units
|
|
Watts-hours
|
2655
|
Footpounds
|
|
Watts-hours
|
1.341
x 10-3
|
Horsepower-hours
|
|
Watts-hours
|
0.8605
|
Kilogram-calories
|
|
Watts-hours
|
376.1
|
Kilogram-meters
|
|
Webers
|
108
|
Maxwells
|
The following are
|
ATTENUATION FOR COAXIAL
AND UTP CABLES
|
| |
Attenuation (dB/100 meters)
|
|
Frequency
(MHz)
|
Thick
Coax
|
Thin
Coax
|
Cat. 3
UTP
|
Cat. 4
UTP
|
Cat. 5
UTP
|
|
1
|
0.62
|
1.41
|
2.6
|
2.2
|
2.0
|
|
10
|
1.70
|
4.26
|
9.7
|
6.9
|
6.5
|
|
20
|
|
6.00
|
|
10.0
|
9.3
|
|
50
|
3.94
|
9.54
|
|
|
|
|
100
|
|
13.70
|
|
|
22.0
|
|
Note: UTP figures
are based on TIA/EIA requirements for horizontal cable
|
Backbone Runs Ytp Cable
|
BACKBONE RUNS: UTP CABLE
ATTENUATION / POWER SUM NEXT LOSS
|
|
Frequency
(MHz)
|
Category 3
(dB)
Attn/NEXT
|
Category 4
(dB)
Attn/NEXT
|
Category 5
(dB)
Attn/NEXT
|
|
0.064
|
0.9/---
|
0.8/---
|
0.8/---
|
|
0.150
|
---/53
|
---/68
|
---/74
|
|
0.256
|
1.3/---
|
1.1/---
|
1.1/---
|
|
0.512
|
1.8/---
|
1.5/---
|
1.5/---
|
|
0.772
|
2.2/43
|
1.9/58
|
1.8/64
|
|
1.0
|
2.6/41
|
2.2/56
|
2.0/62
|
|
4.0
|
5.6/32
|
4.3/47
|
4.1/53
|
|
8.0
|
8.5/27
|
6.2/42
|
5.8/48
|
|
10.0
|
9.7/26
|
6.9/41
|
6.5/47
|
|
16.0
|
13.1/23
|
8.9/38
|
8.2/44
|
|
20.0
|
---/---
|
10.0/36
|
9.3/42
|
|
25.0
|
---/---
|
---/---
|
10.4/41
|
|
31.25
|
---/---
|
---/---
|
11.7/39
|
|
62.5
|
---/---
|
---/---
|
17.0/35
|
|
100.0
|
---/---
|
---/---
|
22.0/32
|
|
Attenuation
per 100 meters (328 feet) @ 20ºC
NEXT: > = 100 meters (328 feet)
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