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14E-10-010  Informative annexes.
   These informative annexes are not part of the enforceable requirements of this Code, but are included for information purposes only.
1.   Informative Annex Aof NFPA 70 is adopted by reference without modification.
2.   Informative Annex B of NFPA 70 is adopted by reference without modification.
3.   The following tables are adopted as Informative Annex C, entitled “Conduit and Tubing Fill Tables for Conductors and Fixture Wires of the Same Size”:
Table C.1 – Number of The Same Size Conductors in Trade Size of Conduit or Tubing Electrical Metallic Tubing (EMT)
Conductor Types THHN, THWN, THWN-2 (Based on Table 1, Chapter 9)
100%
80%
70%
1
2
3
4
5
6
7
8
9
100%
80%
70%
1
2
3
4
5
6
7
8
9
14
1/2
1/2
1/2
1/2
1/2
1/2
1/2
1/2
1/2
12
1/2
1/2
1/2
1/2
1/2
1/2
1/2
1/2
1/2
10
1/2
1/2
1/2
1/2
1/2
3/4
3/4
3/4
3/4
8
1/2
1/2
1/2
3/4
3/4
3/4
1
1
1
6
1/2
1/2
3/4
3/4
1
1
1
1-1/4
1-1/4
4
1/2
3/4
1
1
1-1/4
1-1/4
1-1/4
1-1/2
1-1/2
3
1/2
1
1
1-1/4
1-1/4
1-1/4
1-1/2
1-1/2
2
2
1/2
1
1
1-1/4
1-1/4
1-1/2
1-1/2
2
2
1
1/2
1-1/4
1-1/4
1-1/4
1-1/2
2
2
2
2-1/2
1/0
1/2
1-1/4
1-1/4
1-1/2
2
2
2
2-1/2
2-1/2
2/0
3/4
1-1/4
1-1/2
2
2
2
2-1/2
2-1/2
2-1/2
3/0
3/4
1-1/2
1-1/2
2
2
2-1/2
2-1/2
2-1/2
3
4/0
3/4
1-1/2
2
2
2-1/2
2-1/2
2-1/2
3
3
250
1
2
2
2-1/2
2-1/2
2-1/2
3
3
3
300
1
2
2
2-1/2
2-1/2
3
3
3-1/2
3-1/2
350
1
2
2-1/2
2-1/2
3
3
3-1/2
3-1/2
3-1/2
400
1-1/4
2-1/2
2-1/2
2-1/2
3
3
3-1/2
3-1/2
4
500
1-1/4
2-1/2
2-1/2
3
3
3-1/2
4
4
- - -
600
1-1/4
2-1/2
3
3
3-1/2
4
4
- - -
- - -
700
1-1/4
2-1/2
3
3-1/2
4
4
- - -
- - -
- - -
750
1-1/2
3
3
3-1/2
4
- - -
- - -
- - -
- - -
800
1-1/2
3
3
3-1/2
4
- - -
- - -
- - -
- - -
900
1-1/2
3
3
4
- - -
- - -
- - -
- - -
- - -
1,000
1-1/2
3
3-1/2
4
- - -
- - -
- - -
- - -
- - -
 
Table C.1(A) – Number of The Same Size Compact Stranded Conductors in Trade Size of Conduit or Tubing Electrical Metallic Tubing (EMT)
Conductor Types THHN (Based on Table 1, Chapter 9)
100%
80%
70%
1
2
3
4
5
6
7
8
9
100%
80%
70%
1
2
3
4
5
6
7
8
9
6
1/2
1/2
3/4
3/4
1
1
1
1-1/4
1-1/4
4
1/2
3/4
3/4
1
1-1/4
1-1/4
1-1/4
1-1/4
1-1/2
2
1/2
1
1
1-1/4
1-1/4
1-1/4
1-1/2
1-1/2
2
1
1/2
1
1-1/4
1-1/4
1-1/2
1-1/2
2
2
2
1/0
1/2
1-1/4
1-1/4
1-1/2
1-1/2
2
2
2
2-1/2
2/0
1/2
1-1/4
1-1/4
1-1/2
2
2
2
2-1/2
2-1/2
3/0
3/4
1-1/4
1-1/2
2
2
2
2-1/2
2-1/2
2-1/2
4/0
3/4
1-1/4
1-1/2
2
2
2-1/2
2-1/2
2-1/2
3
250
3/4
2
2
2
2-1/2
2-1/2
3
3
3
300
1
2
2
2-1/2
2-1/2
3
3
3
3-1/2
350
1
2
2
2-1/2
2-1/2
3
3
3-1/2
3-1/2
400
1
2
2-1/2
2-1/2
3
3
3-1/2
3-1/2
3-1/2
500
1-1/4
2-1/2
2-1/2
2-1/2
3
3-1/2
3-1/2
4
4
600
1-1/4
2-1/2
2-1/2
3
3-1/2
3-1/2
4
- - -
- - -
700
1-1/4
2-1/2
3
3
3-1/2
4
4
- - -
- - -
750
1-1/4
2-1/2
3
3
3-1/2
4
- - -
- - -
- - -
1,000
1-1/2
3
3
4
- - -
- - -
- - -
- - -
- - -
 
Table C.3 – Number of The Same Size Conductors in Trade Size of Conduit or Tubing Flexible Metal Conduit (FMC)
Conductor Types THHN, THWN, THWN-2 (Based on Table 1, Chapter 9)
100%
80%
70%
1
2
3
4
5
6
7
8
9
100%
80%
70%
1
2
3
4
5
6
7
8
9
14
1/2
1/2
1/2
1/2
1/2
12
1/2
1/2
1/2
1/2
1/2
1/2
10
1/2
1/2
1/2
1/2
1/2
3/4
3/4
3/4
8
1/2
1/2
3/4
3/4
3/4
1
1
1
6
1/2
3/4
3/4
1
1
1-1/4
1-1/4
1-1/4
4
1/2
3/4
1
1
1-1/4
1-1/4
2
2
2
3
1/2
1
1
1-1/4
1-1/4
2
2
2
2
2
1/2
1
1
1-1/4
2
2
2
2
2
1
1/2
1-1/4
1-1/4
2
2
2
2
2
2-1/2
1/0
1/2
1-1/4
2
2
2
2
2
2-1/2
2-1/2
2/0
3/4
1-1/2
2
2
2
2
2-1/2
2-1/2
2-1/2
3/0
3/4
1-1/2
2
2
2
2-1/2
2-1/2
3
3
4/0
3/4
2
2
2
2-1/2
2-1/2
3
3
3-1/2
250
1
2
2
2-1/2
2-1/2
3
3
3-1/2
3-1/2
300
1
2
2
2-1/2
3
3
3-1/2
3-1/2
4
350
1
2
2-1/2
3
3
3-1/2
3-1/2
4
4
400
1-1/4
2-1/2
2-1/2
3
3
3-1/2
4
4
- - -
500
1-1/4
2-1/2
3
3
3-1/2
4
4
- - -
- - -
600
1-1/2
3
3
3-1/2
4
- - -
- - -
- - -
- - -
700
1-1/2
3
3
3-1/2
4
- - -
- - -
- - -
- - -
750
1-1/2
3
3-1/2
4
- - -
- - -
- - -
- - -
- - -
800
1-1/2
3
3-1/2
4
- - -
- - -
- - -
- - -
- - -
900
2
3-1/2
3-1/2
4
- - -
- - -
- - -
- - -
- - -
1,000
2
3-1/2
3-1/2
- - -
- - -
- - -
- - -
- - -
- - -
 
Table C.3(A) – Number of The Same Size Compact Stranded Conductors in Trade Size of Conduit or Tubing Flexible Metal Conduit (FMC)
Conductor Types THHN (Based on Table 1, Chapter 9)
100%
80%
70%
1
2
3
4
5
6
7
8
9
100%
80%
70%
1
2
3
4
5
6
7
8
9
6
1/2
1/2
3/4
1
1
1
1-1/4
1-1/4
4
3/4
3/4
1
1-1/4
1-1/4
1-1/4
2
2
2
1/2
1
1
1-1/4
1-1/4
2
2
2
2
1
1/2
1
1-1/4
2
2
2
2
2
2
1/0
1/2
1-1/4
1-1/4
2
2
2
2
2
2-1/2
2/0
1/2
1-1/4
2
2
2
2
2-1/2
2-1/2
2-1/2
3/0
3/4
1-1/2
2
2
2
2-1/2
2-1/2
2-1/2
3
4/0
3/4
1-1/2
2
2
2-1/2
2-1/2
2-1/2
3
3
250
1
2
2
2-1/2
2-1/2
3
3
3
3-1/2
300
1
2
2
2-1/2
2-1/2
3
3
3-1/2
3-1/2
350
1
2
2
2-1/2
3
3
3-1/2
3-1/2
4
400
1
2
2-1/2
3
3
3-1/2
3-1/2
4
4
500
1-1/4
2-1/2
2-1/2
3
3-1/2
3-1/2
4
4
- - -
600
1-1/4
2-1/2
3
3-1/2
3-1/2
4
- - -
- - -
- - -
700
1-1/2
3
3
3-1/2
4
4
- - -
- - -
- - -
750
1-1/2
3
3
3-1/2
4
- - -
- - -
- - -
- - -
1,000
2
3-1/2
3-1/2
4
- - -
- - -
- - -
- - -
- - -
 
Table C.4 – Number of The Same Size Conductors in Trade Size of Conduit or Tubing Intermediate Metal Conduit (IMC)
Conductor Types THHN, THWN, THWN-2 (Based on Table 1, Chapter 9)
100%
80%
70%
1
2
3
4
5
6
7
8
9
100%
80%
70%
1
2
3
4
5
6
7
8
9
14
1/2
1/2
1/2
1/2
1/2
1/2
1/2
1/2
1/2
12
1/2
1/2
1/2
1/2
1/2
1/2
1/2
1/2
1/2
10
1/2
1/2
1/2
1/2
1/2
1/2
3/4
3/4
3/4
8
1/2
1/2
1/2
3/4
3/4
3/4
1
1
1
6
1/2
1/2
3/4
3/4
1
1
1
1-1/4
1-1/4
4
1/2
3/4
3/4
1
1-1/4
1-1/4
1-1/4
1-1/4
1-1/2
3
1/2
3/4
1
1
1-1/4
1-1/4
1-1/2
1-1/2
1-1/2
2
1/2
1
1
1-1/4
1-1/4
1-1/2
1-1/2
2
2
1
1/2
1
1-1/4
1-1/4
1-1/2
2
2
2
2
1/0
1/2
1-1/4
1-1/4
1-1/2
2
2
2
2
2-1/2
2/0
1/2
1-1/4
1-1/4
1-1/2
2
2
2-1/2
2-1/2
2-1/2
3/0
3/4
1-1/4
1-1/2
2
2
2-1/2
2-1/2
3
3
4/0
3/4
1-1/2
2
2
2-1/2
2-1/2
3
3
3
250
1
2
2
2-1/2
2-1/2
3
3
3
3-1/2
300
1
2
2
2-1/2
3
3
3
3-1/2
3-1/2
350
1
2
2-1/2
2-1/2
3
3
3-1/2
3-1/2
4
400
1
2
2-1/2
3
3
3-1/2
3-1/2
4
4
500
1-1/4
2-1/2
2-1/2
3
3-1/2
3-1/2
4
- - -
- - -
600
1-1/4
2-1/2
3
3-1/2
3-1/2
4
- - -
- - -
- - -
700
1-1/4
3
3
3-1/2
4
- - -
- - -
- - -
- - -
750
1-1/4
3
3
3-1/2
4
- - -
- - -
- - -
- - -
800
1-1/2
3
3
3-1/2
4
- - -
- - -
- - -
- - -
900
1-1/2
3
3-1/2
4
- - -
- - -
- - -
- - -
- - -
1,000
1-1/2
3
3-1/2
4
- - -
- - -
- - -
- - -
- - -
 
Table C.4(A) – Number of The Same Size Compact Stranded Conductors in Trade Size of Conduit or Tubing Intermediate Metal Conduit (IMC)
Conductor Types THHN (Based on Table 1, Chapter 9)
100%
80%
70%
1
2
3
4
5
6
7
8
9
100%
80%
70%
1
2
3
4
5
6
7
8
9
6
1/2
1/2
1/2
3/4
3/4
1
1
1
1-1/4
4
1/2
3/4
3/4
1
1
1-1/4
1-1/4
1-1/4
1-1/4
2
1/2
1
1
1-1/4
1-1/4
1-1/4
1-1/2
1-1/2
2
1
1/2
1
1
1-1/4
1-1/4
1-1/2
2
2
2
1/0
1/2
1
1-1/4
1-1/4
1-1/2
2
2
2
2
2/0
1/2
1-1/4
1-1/4
1-1/2
2
2
2
2-1/2
2-1/2
3/0
3/4
1-1/4
1-1/4
1-1/2
2
2
2-1/2
2-1/2
2-1/2
4/0
3/4
1-1/4
1-1/2
2
2
2-1/2
2-1/2
3
3
250
3/4
1-1/2
2
2
2-1/2
2-1/2
3
3
3
300
1
2
2
2-1/2
2-1/2
3
3
3-1/2
3-1/2
350
1
2
2
2-1/2
3
3
3
3-1/2
3-1/2
400
1
2
2-1/2
2-1/2
3
3
3-1/2
3-1/2
4
500
1
2
2-1/2
3
3
3-1/2
3-1/2
4
4
600
1-1/4
2-1/2
3
3
3-1/2
4
4
- - -
- - -
700
1-1/4
2-1/2
3
3-1/2
3-1/2
4
- - -
- - -
- - -
750
1-1/4
3
3
3-1/2
4
4
- - -
- - -
- - -
1,000
1-1/2
3
3-1/2
4
- - -
- - -
- - -
- - -
- - -
 
Table C.8 – Number of The Same Size Conductors in Trade Size of Conduit or Tubing Liquidtight Flexible Metal Conduit (LFMC)
Conductor Types THHN, THWN, THWN-2 (Based on Table 1, Chapter 9)
100%
80%
70%
1
2
3
4
5
6
7
8
9
100%
80%
70%
1
2
3
4
5
6
7
8
9
14
1/2
12
1/2
1/2
1/2
1/2
10
1/2
1/2
1/2
3/4
3/4
3/4
8
1/2
1/2
3/4
3/4
3/4
1
1
1
6
1/2
3/4
3/4
1
1
1
1-1/4
1-1/4
4
3/4
1
1
1-1/4
1-1/4
1-1/4
1-1/2
1-1/2
3
1
1
1-1/4
1-1/4
1-1/4
1-1/2
1-1/2
2
2
1
1
1-1/4
1-1/4
1-1/2
1-1/2
2
2
1
1/2
1-1/4
1-1/4
1-1/4
1-1/2
2
2
2
2-1/2
1/0
1/2
1-1/4
1-1/4
1-1/2
2
2
2
2-1/2
2-1/2
2/0
3/4
1-1/4
1-1/2
2
2
2
2-1/2
2-1/2
3
3/0
3/4
1-1/2
1-1/2
2
2
2-1/2
2-1/2
3
3
4/0
3/4
1-1/2
2
2
2-1/2
2-1/2
3
3
3
250
1
2
2
2-1/2
2-1/2
3
3
3-1/2
3-1/2
300
1
2
2
2-1/2
3
3
3-1/2
3-1/2
4
350
1
2
2-1/2
3
3
3-1/2
3-1/2
4
4
400
1-1/4
2-1/2
2-1/2
3
3
3-1/2
4
4
- - -
500
1-1/4
2-1/2
3
3
3-1/2
4
4
- - -
- - -
600
1-1/4
3
3
3-1/2
4
4
- - -
- - -
- - -
700
1-1/4
3
3
3-1/2
4
- - -
- - -
- - -
- - -
750
1-1/2
3
3
4
4
- - -
- - -
- - -
- - -
800
1-1/2
3
3-1/2
4
- - -
- - -
- - -
- - -
- - -
900
1-1/2
3
3-1/2
4
- - -
- - -
- - -
- - -
- - -
1,000
2
3-1/2
3-1/2
- - -
- - -
- - -
- - -
- - -
- - -
 
Table C.8(A) – Number of The Same Size Compact Stranded Conductors in Trade Size of Conduit or Tubing Liquidtight Flexible Metal Conduit (LFMC)
Conductor Types THHN (Based on Table 1, Chapter 9)
100%
80%
70%
1
2
3
4
5
6
7
8
9
100%
80%
70%
1
2
3
4
5
6
7
8
9
6
1/2
3/4
3/4
1
1
1
1-1/4
1-1/4
4
3/4
3/4
1
1-1/4
1-1/4
1-1/4
1-1/4
1-1/2
2
1
1
1-1/4
1-1/4
1-1/4
1-1/2
2
2
1
1/2
1
1-1/4
1-1/4
1-1/2
1-1/2
2
2
2
1/0
1/2
1-1/4
1-1/4
1-1/4
1-1/2
2
2
2
2-1/2
2/0
1/2
1-1/4
1-1/4
1-1/2
2
2
2-1/2
2-1/2
2-1/2
3/0
3/4
1-1/4
1-1/2
2
2
2-1/2
2-1/2
2-1/2
3
4/0
3/4
1-1/2
1-1/2
2
2-1/2
2-1/2
2-1/2
3
3
250
3/4
2
2
2-1/2
2-1/2
3
3
3
3-1/2
300
1
2
2
2-1/2
3
3
3
3-1/2
3-1/2
350
1
2
2-1/2
2-1/2
3
3
3-1/2
3-1/2
4
400
1
2
2-1/2
3
3
3-1/2
3-1/2
4
4
500
1-1/4
2-1/2
2-1/2
3
3
3-1/2
4
4
- - -
600
1-1/4
2-1/2
3
3
3-1/2
4
- - -
- - -
- - -
700
1-1/4
3
3
3-1/2
4
4
- - -
- - -
- - -
750
1-1/4
3
3
3-1/2
4
- - -
- - -
- - -
- - -
1,000
1-1/2
3
3-1/2
4
- - -
- - -
- - -
- - -
- - -
 
Table C.9 – Number of The Same Size Conductors in Trade Size of Conduit or Tubing Rigid Metal Conduit (RMC)
Conductor Types THHN, THWN, THWN-2 (Based on Table 1, Chapter 9)
100%
80%
70%
1
2
3
4
5
6
7
8
9
100%
80%
70%
1
2
3
4
5
6
7
8
9
14
1/2
1/2
1/2
1/2
1/2
1/2
1/2
1/2
1/2
12
1/2
1/2
1/2
1/2
1/2
1/2
1/2
1/2
1/2
10
1/2
1/2
1/2
1/2
1/2
1/2
3/4
3/4
3/4
8
1/2
1/2
1/2
3/4
3/4
3/4
1
1
1
6
1/2
1/2
3/4
3/4
1
1
1
1-1/4
1-1/4
4
1/2
3/4
1
1
1-1/4
1-1/4
1-1/4
1-1/2
1-1/2
3
1/2
1
1
1-1/4
1-1/4
1-1/4
1-1/2
1-1/2
2
2
1/2
1
1
1-1/4
1-1/4
1-1/2
1-1/2
2
2
1
1/2
1-1/4
1-1/4
1-1/4
1-1/2
2
2
2
2-1/2
1/0
1/2
1-1/4
1-1/4
1-1/2
2
2
2
2-1/2
2-1/2
2/0
3/4
1-1/4
1-1/2
2
2
2
2-1/2
2-1/2
3
3/0
3/4
1-1/2
1-1/2
2
2
2-1/2
2-1/2
3
3
4/0
3/4
1-1/2
2
2
2-1/2
2-1/2
3
3
3
250
1
2
2
2-1/2
2-1/2
3
3
3-1/2
3-1/2
300
1
2
2
2-1/2
3
3
3-1/2
3-1/2
4
350
1
2
2-1/2
3
3
3-1/2
3-1/2
4
4
400
1
2
2-1/2
3
3
3-1/2
3-1/2
4
5
500
1-1/4
2-1/2
3
3
3-1/2
4
4
5
5
600
1-1/4
3
3
3-1/2
4
4
5
5
5
700
1-1/4
3
3
3-1/2
4
5
5
5
6
750
1-1/2
3
3
3-1/2
4
5
5
6
6
800
1-1/2
3
3-1/2
4
5
5
5
6
6
900
1-1/2
3
3-1/2
4
5
5
6
6
6
1,000
1-1/2
3-1/2
3-1/2
4
5
5
6
6
- - -
 
Table C.9(A) – Number of The Same Size Compact Stranded Conductors in Trade Size of Conduit or Tubing Rigid Metal Conduit (RMC)
Conductor Types THHN (Based on Table 1, Chapter 9)
100%
80%
70%
1
2
3
4
5
6
7
8
9
100%
80%
70%
1
2
3
4
5
6
7
8
9
6
1/2
1/2
3/4
3/4
3/4
1
1
1
1-1/4
4
1/2
3/4
3/4
1
1
1-1/4
1-1/4
1-1/4
1-1/2
2
1/2
1
1
1-1/4
1-1/4
1-1/4
1-1/2
1-1/2
2
1
1/2
1
1-1/4
1-1/4
1-1/2
1-1/2
2
2
2
1/0
1/2
1-1/4
1-1/4
1-1/4
1-1/2
2
2
2
2-1/2
2/0
1/2
1-1/4
1-1/4
1-1/2
2
2
2
2-1/2
2-1/2
3/0
3/4
1-1/4
1-1/2
2
2
2
2-1/2
2-1/2
3
4/0
3/4
1-1/2
1-1/2
2
2
2-1/2
2-1/2
3
3
250
3/4
1-1/2
2
2
2-1/2
3
3
3
3-1/2
300
1
2
2
2-1/2
3
3
3
3-1/2
3-1/2
350
1
2
2
2-1/2
3
3
3-1/2
3-1/2
4
400
1
2
2-1/2
3
3
3-1/2
3-1/2
4
4
500
1-1/4
2-1/2
2-1/2
3
3
3-1/2
4
4
5
600
1-1/4
2-1/2
3
3
3-1/2
4
5
5
5
700
1-1/4
3
3
3-1/2
4
4
5
5
5
750
1-1/4
3
3
3-1/2
4
5
5
5
5
1,000
1-1/2
3
3-1/2
4
5
5
6
6
6
 
Table C.10 – Number of The Same Size Conductors in Trade Size of Conduit or Tubing Rigid PVC Conduit, Schedule 80
Conductor Types THHN, THWN, THWN-2 (Based on Table 1, Chapter 9)
100%
80%
70%
1
2
3
4
5
6
7
8
9
100%
80%
70%
1
2
3
4
5
6
7
8
9
14
1/2
1/2
1/2
1/2
1/2
1/2
1/2
1/2
1/2
12
1/2
1/2
1/2
1/2
1/2
1/2
3/4
3/4
3/4
10
1/2
1/2
1/2
1/2
3/4
3/4
3/4
1
1
8
1/2
1/2
3/4
3/4
1
1
1
1-1/4
1-1/4
6
1/2
3/4
3/4
1
1
1-1/4
1-1/4
1-1/4
1-1/4
4
1/2
1
1
1-1/4
1-1/4
1-1/4
1-1/2
1-1/2
2
3
1/2
1
1
1-1/4
1-1/4
1-1/2
1-1/2
2
2
2
1/2
1
1-1/4
1-1/4
1-1/2
1-1/2
2
2
2
1
3/4
1-1/4
1-1/4
1-1/2
2
2
2
2-1/2
2-1/2
1/0
3/4
1-1/4
1-1/2
2
2
2
2-1/2
2-1/2
2-1/2
2/0
3/4
1-1/2
1-1/2
2
2
2-1/2
2-1/2
3
3
3/0
3/4
1-1/2
2
2
2-1/2
2-1/2
3
3
3
4/0
1
2
2
2-1/2
2-1/2
3
3
3
3-1/2
250
1
2
2
2-1/2
3
3
3-1/2
3-1/2
4
300
1-1/4
2
2-1/2
3
3
3-1/2
3-1/2
4
4
350
1-1/4
2-1/2
2-1/2
3
3
3-1/2
4
4
5
400
1-1/4
2-1/2
2-1/2
3
3-1/2
3-1/2
4
5
5
500
1-1/4
2-1/2
3
3-1/2
3-1/2
4
5
5
5
600
1-1/2
3
3
3-1/2
4
5
5
5
6
700
1-1/2
3
3-1/2
4
5
5
5
6
6
750
1-1/2
3
3-1/2
4
5
5
5
6
6
800
1-1/2
3
3-1/2
4
5
5
6
6
6
900
2
3-1/2
3-1/2
5
5
5
6
6
- - -
1,000
2
3-1/2
4
5
5
6
6
- - -
- - -
 
Table C.10(A) – Number of The Same Size Compact Stranded Conductors in Trade Size of Conduit or Tubing Rigid PVC Conduit, Schedule 80
Conductor Types THHN (Based on Table 1, Chapter 9)
100%
80%
70%
1
2
3
4
5
6
7
8
9
100%
80%
70%
1
2
3
4
5
6
7
8
9
6
1/2
3/4
3/4
1
1
1
1-1/4
1-1/4
1-1/4
4
1/2
1
1
1-1/4
1-1/4
1-1/4
1-1/2
1-1/2
1-1/2
2
1/2
1
1-1/4
1-1/4
1-1/4
1-1/2
2
2
2
1
1/2
1-1/4
1-1/4
1-1/2
1-1/2
2
2
2
2-1/2
1/0
3/4
1-1/4
1-1/4
1-1/2
2
2
2
2-1/2
2-1/2
2/0
3/4
1-1/4
1-1/2
2
2
2
2-1/2
2-1/2
3
3/0
3/4
1-1/2
1-1/2
2
2
2-1/2
2-1/2
3
3
4/0
1
1-1/2
2
2
2-1/2
2-1/2
3
3
3
250
1
2
2
2-1/2
3
3
3
3-1/2
3-1/2
300
1
2
2
2-1/2
3
3
3-1/2
3-1/2
4
350
1-1/4
2
2-1/2
3
3
3-1/2
3-1/2
4
4
400
1-1/4
2-1/2
2-1/2
3
3
3-1/2
4
4
5
500
1-1/4
2-1/2
3
3
3-1/2
4
4
5
5
600
1-1/4
3
3
3-1/2
4
4
5
5
5
700
1-1/2
3
3
3-1/2
4
5
5
5
6
750
1-1/2
3
3
3-1/2
4
5
5
5
6
1,000
2
3-1/2
3-1/2
5
5
6
6
6
- - -
 
Table C.11 – Number of The Same Size Conductors in Trade Size of Conduit or Tubing Rigid PVC Conduit, Schedule 40
Conductor Types THHN, THWN, THWN-2 (Based on Table 1, Chapter 9)
100%
80%
70%
1
2
3
4
5
6
7
8
9
100%
80%
70%
1
2
3
4
5
6
7
8
9
14
1/2
1/2
1/2
1/2
1/2
1/2
1/2
1/2
1/2
12
1/2
1/2
1/2
1/2
1/2
1/2
1/2
1/2
3/4
10
1/2
1/2
1/2
1/2
1/2
3/4
3/4
3/4
3/4
8
1/2
1/2
1/2
3/4
3/4
1
1
1
1
6
1/2
3/4
3/4
3/4
1
1
1-1/4
1-1/4
1-1/4
4
1/2
3/4
1
1
1-1/4
1-1/4
1-1/4
1-1/2
1-1/2
3
1/2
1
1
1-1/4
1-1/4
1-1/4
1-1/2
1-1/2
2
2
1/2
1
1
1-1/4
1-1/4
1-1/2
1-1/2
2
2
1
1/2
1-1/4
1-1/4
1-1/2
1-1/2
2
2
2
2-1/2
1/0
1/2
1-1/4
1-1/4
1-1/2
2
2
2
2-1/2
2-1/2
2/0
3/4
1-1/4
1-1/2
2
2
2
2-1/2
2-1/2
3
3/0
3/4
1-1/2
1-1/2
2
2
2-1/2
2-1/2
3
3
4/0
3/4
1-1/2
2
2
2-1/2
2-1/2
3
3
3
250
1
2
2
2-1/2
3
3
3
3-1/2
3-1/2
300
1
2
2
2-1/2
3
3
3-1/2
3-1/2
4
350
1
2
2-1/2
3
3
3-1/2
3-1/2
4
4
400
1-1/4
2-1/2
2-1/2
3
3
3-1/2
4
4
5
500
1-1/4
2-1/2
3
3
3-1/2
4
4
5
5
600
1-1/4
3
3
3-1/2
4
5
5
5
5
700
1-1/2
3
3
3-1/2
4
5
5
5
6
750
1-1/2
3
3-1/2
4
5
5
5
6
6
800
1-1/2
3
3-1/2
4
5
5
5
6
6
900
1-1/2
3
3-1/2
4
5
5
6
6
6
1,000
2
3-1/2
3-1/2
5
5
5
6
6
- - -
 
Table C.11(A) – Number of The Same Size Compact Stranded Conductors in Trade Size of Conduit or Tubing Rigid PVC Conduit, Schedule 40
Conductor Types THHN (Based on Table 1, Chapter 9)
100%
80%
70%
1
2
3
4
5
6
7
8
9
100%
80%
70%
1
2
3
4
5
6
7
8
9
6
1/2
1/2
3/4
3/4
1
1
1
1-1/4
1-1/4
4
1/2
3/4
1
1
1-1/4
1-1/4
1-1/4
1-1/4
1-1/2
2
1/2
1
1
1-1/4
1-1/4
1-1/2
1-1/2
1-1/2
2
1
1/2
1
1-1/4
1-1/4
1-1/2
1-1/2
2
2
2
1/0
1/2
1-1/4
1-1/4
1-1/2
1-1/2
2
2
2
2-1/2
2/0
3/4
1-1/4
1-1/4
1-1/2
2
2
2
2-1/2
2-1/2
3/0
3/4
1-1/4
1-1/2
2
2
2-1/2
2-1/2
2-1/2
3
4/0
3/4
1-1/2
1-1/2
2
2-1/2
2-1/2
3
3
3
250
1
2
2
2-1/2
2-1/2
3
3
3
3-1/2
300
1
2
2
2-1/2
3
3
3
3-1/2
3-1/2
350
1
2
2
2-1/2
3
3
3-1/2
3-1/2
4
400
1
2
2-1/2
3
3
3-1/2
3-1/2
4
4
500
1-1/4
2-1/2
2-1/2
3
3-1/2
3-1/2
4
4
5
600
1-1/4
2-1/2
3
3
3-1/2
4
5
5
5
700
1-1/4
3
3
3-1/2
4
5
5
5
5
750
1-1/4
3
3
3-1/2
4
5
5
5
6
1,000
1-1/2
3
3-1/2
4
5
5
6
6
6
 
4.   Informative Annex Dof NFPA 70 is adopted by reference without modification.
5.   Informative Annex F of NFPA 70 is adopted by reference without modification.
6.   Informative Annex G of NFPA 70 is adopted by reference without modification.
7.   Informative Annex I of NFPA 70 is adopted by reference without modification.
(Added Coun. J. 9-6-17, p. 55278, Art. I, § 1)