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 A of 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 D of 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.