Metric
Conversion
Electrical Formulas
Conduit Weight
Maximum # of Conductors in Conduit
600 Volt Building Wire Weights & Ampacities
Ampacities of Insulated Conductors
Copper to Aluminum
Receptacle Configuration
Ampacities
of Insulated Conductors
Rated 0-2000 Volts, 60º to 90ºC
Not more than three conductors in raceway or cable or earth (directly buried). Based on ambient temperature of 30ºC (86ºF)
|
Size
|
Temperature
Rating of Conductor
|
Size
|
|
AWG |
60ºC
(140ºF) |
75ºC
(167ºF) |
90ºC
(194ºF) |
60ºC
(140ºF) |
75ºC
(167ºF) |
90ºC
(194ºF) |
AWG |
|
Types
|
Types
|
Types
|
Types
|
Types
|
Types
|
||
|
T
TW UF |
THW
THWN XHHW USE |
RHH
THHN XHHW |
T
TW UF |
THW
THWN XHHW USE |
RHH
THHN XHHW |
|
0
|
Copper
|
Aluminum
|
0
|
|
14
12 10 8 |
20
25 30 40 |
20
25 35 50 |
25
30 40 55 |
----
20 25 30 |
----
20 30 40 |
----
25 35 45 |
----
12 10 8 |
|
6
4 3 2 1 |
55
70 85 95 110 |
65
85 100 115 130 |
75
95 110 130 150 |
40
55 65 75 85 |
50
65 75 90 100 |
60
75 85 100 115 |
6
4 3 2 1 |
|
0
00 000 0000 |
125
145 165 195 |
150
175 200 230 |
170
195 225 260 |
100
115 130 150 |
120
135 155 180 |
135
150 175 205 |
0
00 000 0000 |
|
250
300 350 400 500 |
215
240 260 280 320 |
255
285 310 335 380 |
290
320 350 380 430 |
170
190 210 225 260 |
205
230 250 270 310 |
230
255 280 305 350 |
250
300 350 400 500 |
|
600
700 750 800 900 1000 |
355
385 400 410 435 455 |
420
460 475 490 520 545 |
475
520 535 555 585 615 |
285
310 320 330 355 375 |
340
375 385 395 425 445 |
385
420 435 450 480 500 |
600
700 750 800 900 1000 |