5. From tables provided in this chapter, identify the ampacity of the followingconductors:a. No. 8 AWG copper conductor with THHN insulation and atemperature of 90°C/194°F TABLE 18.11PROPERTIES OF COPPER AND ALUMINUM CONDUCTORS WITH THHN AND THWN-2 INSULATION THAT ARE USEDIN CONDUIT AND CABLE TRAYS FOR SERVICES, FEEDERS, AND BRANCH CIRCUITS IN COMMERCIAL ORINDUSTRIAL APPLICATIONS. COMPILED FROM INDUSTRY SOURCES.THHN or THWN-2 Copper ConductorNominal OutsideDiameter(mils)Approx. Net Weightper 1000 ft(Ib)Ampacity60°C75°C90°CSizeNumberof Strands(AWG or kcmil)SolidStrandedSolidStranded140°F167°F194°F141, 191021091516151515121, 1911912823242020201, 1919373830305010150161302136240556.1924995556575419318152708595319346188851001101937823495115130110125119435299130150194743711501701/02/0461574195181451751953/0195681652002254/019624717195230260215240250376948502552901011285310300377473203503779711732603502803204003784213333353805003792616533804306006110241985355420475750611126246240047553510006112753254455545615|| || || |

Copper conductor with THHN insulation Size : 8 AWG Temperature : 900 C/1940 F

Answered: 5. From tables provided in this…

5. From tables provided in this chapter, identify the ampacity of the following conductors: a. No. 8 AWG copper conductor with THHN insulation and a temperature of 90°C/194°F

Power System Analysis and Design (MindTap Course List)

6th Edition

ISBN:9781305632134

Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Chapter4: Transmission Line Parameters

Section: Chapter Questions

Problem 4.4P: One thousand circular mils or 1 kcmil is sometimes designated by the abbreviation MCM75C. Data for...

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Question

5. From tables provided in this chapter, identify the ampacity of the following
conductors:
a. No. 8 AWG copper conductor with THHN insulation and a
temperature of 90°C/194°F

TABLE 18.11
PROPERTIES OF COPPER AND ALUMINUM CONDUCTORS WITH THHN AND THWN-2 INSULATION THAT ARE USED
IN CONDUIT AND CABLE TRAYS FOR SERVICES, FEEDERS, AND BRANCH CIRCUITS IN COMMERCIAL OR
INDUSTRIAL APPLICATIONS. COMPILED FROM INDUSTRY SOURCES.
THHN or THWN-2 Copper Conductor
Nominal Outside
Diameter
(mils)
Approx. Net Weight
per 1000 ft
(Ib)
Ampacity
60°C
75°C
90°C
Size
Number
of Strands
(AWG or kcmil)
Solid
Stranded
Solid
Stranded
140°F
167°F
194°F
14
1, 19
102
109
15
16
15
15
15
12
1, 19
119
128
23
24
20
20
20
1, 19
19
37
38
30
30
50
10
150
161
30
213
62
40
55
6.
19
249
95
55
65
75
4
19
318
152
70
85
95
3
19
346
188
85
100
110
19
378
234
95
115
130
110
125
1
19
435
299
130
150
19
474
371
150
170
1/0
2/0
461
574
19
518
145
175
195
3/0
19
568
165
200
225
4/0
19
624
717
195
230
260
215
240
250
37
694
850
255
290
1011
285
310
300
37
747
320
350
37
797
1173
260
350
280
320
400
37
842
1333
335
380
500
37
926
1653
380
430
600
61
1024
1985
355
420
475
750
61
1126
2462
400
475
535
1000
61
1275
3254
455
545
615
|| || || |

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