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NYC Reference Information



New York City is in the process of adopting the National Electric Code. There are many parts of the NEC that have not been adopted. Many of those parts have been revised to the prior New York City code.


Below is an old version of the TW amperage, conduit and EMT wire fill chart. It is posted here for informational purposes only.


AWG/

MCM

Amps

Allowable Conductors EMT or Conduit

½

3/4

1

1 ¼

1 ½

2

2 ½

3

3 ½

4

Grounding

14

15

9

15

24

 

 

 

 

 

 

 

 

12

20

7

12

19

24

 

 

 

 

 

 

 

10

30

5

9

15

24

 

 

 

 

 

 

14

8

45

2

4

7

12

17

24

 

 

 

 

12

6

65

1

2

4

7

10

16

23

24

 

 

10

4

85

1

1

3

5

7

12

17

24

 

 

8

3

100

1

1

2

4

6

10

15

24

 

 

8

2

115

1

1

2

4

5

9

13

20

24

 

8

1

130

 

1

1

3

4

6

9

14

19

24

6

1/0

150

 

1

1

2

3

5

8

12

16

21

6

2/0

175

 

1

1

1

3

5

7

10

14

18

4

3/0

200

 

1

1

1

2

4

6

9

12

15

4

4/0

230

 

 

1

1

1

3

5

7

10

13

2

250

255

 

 

1

1

1

2

4

6

8

10

2

300

285

 

 

1

1

1

2

3

5

7

9

2

350

310

 

 

 

1

1

1

3

4

6

8

2

400

335

 

 

 

1

1

1

2

4

5

7

1/0

500

380

 

 

 

1

1

1

1

3

4

6

1/0


 

Disclaimer

This material is presented as a guide only. A-Line Electrical Supply, Inc. assumes no responsibility for any information or results from the use of such information. The results produced by these calculators and general information are not guaranteed to be correct or applicable in any or all situations. The user must have a thorough understanding this trade and any applicable Electrical Codes where work is being performed. It is the users responsibility to verify compliance with local jurisdictions.


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