Romex® Brand SIMpull® Type NM-B Cable

Nonmetallic-Sheathed Cable. 600 Volt. Copper Conductors. Color-Coded Jacket. Four Conductor Available With Two Neutrals. SIMpull® Jacket Designed for Easier Pulling.

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Application

Southwire® Romex® Brand SIMpull® NM-B (nonmetallic-sheathed) cable may be used for both exposed and concealed work in normally dry locations at temperatures not to exceed 90°C (with ampacity limited to that for 60°C conductors) as specified in the National Electrical Code. NM-B cable is primarily used in residential wiring as branch circuits for outlets, switches, and other loads. NM-B cable may be run in air voids of masonry block or tile walls where such walls are not wet or damp locations. Voltage rating for NM-B cable is 600 volts.

Specifications

Select a set of products below for more information:
Conductor Ground Wire
Size (AWG or kcmil) (mm2) No. of Conductors No. of Strands Size (AWG) No. of Grounds No. of Strands Nom. Width (mils) (mm) Nom. Height (mils) (mm) Insulation Thickness (mils) (mm) Nom. OD (mils) (mm) Nominal Total Weight (lbs/1000') (kgs/km) Allowable Ampacity
288274
14 AWG 14 AWG
2 2
1 1
14 14
1 1
1 1
372 9.46
170 4.32
15 0.38
62 92
15 15
639468
14 AWG 14 AWG
3 3
1 1
14 14
1 1
1 1
478 12.15
176 4.47
15 0.38
82 121
15 15
550539
14 AWG 14 AWG
4 4
1 1
14 14
1 1
1 1
15 0.38
350 8.90
96 143
15 15
550482
14 AWG 14 AWG
2-2 2-2
1 1
14 14
1 1
1 1
15 0.38
350 8.90
96 143
15 15
288282
12 AWG 12 AWG
2 2
1 1
12 12
1 1
1 1
422 10.73
186 4.74
15 0.38
87 130
20 20
639476
12 AWG 12 AWG
3 3
1 1
12 12
1 1
1 1
524 13.31
190 4.83
15 0.38
115 172
20 20
550542
12 AWG 12 AWG
4 4
1 1
12 12
1 1
1 1
15 0.38
395 10.05
138 206
20 20
550484
12 AWG 12 AWG
2-2 2-2
1 1
12 12
1 1
1 1
15 0.38
395 10.05
138 206
20 20
288290
10 AWG 10 AWG
2 2
1 1
10 10
1 1
1 1
505 12.84
217 5.53
20 0.51
127 189
30 30
639484
10 AWG 10 AWG
3 3
1 1
10 10
1 1
1 1
630 16.00
220 5.59
20 0.51
169 251
30 30
555832
10 AWG 10 AWG
4 4
1 1
10 10
1 1
1 1
20 0.51
479 12.18
207 308
30 30
288936
8 AWG 8 AWG
2 2
7 7
10 10
1 1
1 1
627 15.95
278 7.06
30 0.76
191 284
40 40
639492
8 AWG 8 AWG
3 3
7 7
10 10
1 1
1 1
30 0.76
585 14.87
260 387
40 40
288944
6 AWG 6 AWG
2 2
7 7
10 10
1 1
1 1
699 17.78
314 7.98
30 0.76
260 388
55 55
639500
6 AWG 6 AWG
3 3
7 7
10 10
1 1
1 1
30 0.76
672 17.08
365 543
55 55
639682
4 AWG 4 AWG
3 3
7 7
8 8
1 1
1 1
40 1.02
843 21.43
576 857
70 70
639708
2 AWG 2 AWG
3 3
7 7
8 8
1 1
1 1
40 1.02
887 22.53
830 1235
95 95

Standards & References

Southwire Romex® Brand SIMpull® NM-B cable complies with the following:

  • Listed per UL Standard 719
  • UL 83 (Conductor Construction)
  • ASTM B-3 and B-8
  • Federal Specification A-A-59544
  • National Electrical Code, NFPA 70
  • REACH/RoHS Compliant

Construction

Southwire Romex® Brand SIMpull® NM-B cable is manufactured as 2, 3, or 4 conductor cable, with a bare ground wire. Copper conductors are annealed (soft)copper. Stranded conductors are compressed stranded. Conductor insulation is 90°C-rated polyvinyl chloride (PVC), nylon jacketed. Romex® Brand SIMpull® NM-B cable is designed for easier pulling, resulting in easier installation. The cable jacket is color-coded for quick size identification; White - 14 AWG, Yellow - 12 AWG, Orange - 10 AWG, and Black - 8 AWG and 6 AWG.