Name: Romex® Brand Copper SIM pull ® Indoor NM-B Cable
Brand: Southwire
Rating: 5 (1 reviews)

Products > Infrastructure Products > Building Wire > SPEC10028

SPEC 10028

Romex® Brand Copper SIMpull® Indoor NM-B Cable

Nonmetallic-Sheathed Cable. 600 Volt. Copper Conductor. PVC Insulation/Nylon Sheath. PVC Jacket with SIMpull® Technology for Easier Pulling.

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Construction:

Conductor: Bare copper per ASTM B3. Sizes #14 AWG - #10 AWG are solid. Sizes #8 AWG - #2 AWG are Class B compressed stranded per ASTM B8
Insulation: All phases and neutral(s) are insulated with Polyvinyl Chloride (PVC) with Nylon Sheath
Ground: Solid soft drawn bare copper with kraft paper wrap
Binder: Kraft paper
Jacket: Polyvinyl Chloride (PVC) jacket utilizing SIMpull® Technology

Applications and Features:

Southwire® Romex® Brand SIMpull® NM-B (nonmetallic-sheathed) cable may be used for both exposed and concealed work in dry locations 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:

ASTM B3 Soft or Annealed Copper Wire

ASTM B8 Concentric-Lay-Stranded Copper Conductors

UL 719 Nonmetallic-Sheathed Cables

RoHS-2 (European Directive 2011/65/EU)

Federal Specification A-A-59544

NOM-063-SCFI Electrical Products – Conductors – Safety Requirements

Sample Print Legend:

E18679 (UL) ROMEX® SIMpull{TM} XX AWG (X.XXmm2) CU X CDR WITH XX AWG (mm2) GROUND TYPE NM-B 600 VOLTS NOM-ANCE PAT www.patentSW.com

Table 1 – Weights and Measurements

Stock Number	Cond. Size	Cond. Number	Strand Count	Diameter Over Conductor	Insul. Thickness	Ground	Jacket Thickness	Approx. OD	Copper Weight	Approx. Weight
	AWG/Kcmil		No. of Strands	inch	mil	No. x AWG	mil	inch	lb/1000ft	lb/1000ft
288274	14	2	Solid	0.064	21	1 x 14	30	0.374x0.172	37	62
639468	14	3	Solid	0.064	21	1 x 14	30	0.478x0.176	49	81
550482^	14	4	Solid	0.064	21	1 x 14	30	0.350	62	96
550539	14	4	Solid	0.064	21	1 x 14	30	0.350	62	95
550482	14	4	Solid	0.064	21	1 x 14	30	0.350	62	95
288282	12	2	Solid	0.080	21	1 x 12	30	0.424x0.188	59	89
639476	12	3	Solid	0.080	21	1 x 12	30	0.524x0.190	79	115
550484	12	4	Solid	0.080	21	1 x 12	30	0.395	99	138
550484^	12	4	Solid	0.080	21	1 x 12	30	0.395	99	138
550542	12	4	Solid	0.080	21	1 x 12	30	0.395	99	138
288290	10	2	Solid	0.101	26	1 x 10	30	0.505x0.217	91	126
639484	10	3	Solid	0.101	26	1 x 10	30	0.630x0.220	122	168
555832	10	4	Solid	0.101	26	1 x 10	30	0.479	154	206
551888	8	2	7	0.141	37	1 x 10	30	0.628x0.278	132	190
288936	8	2	7	0.141	37	1 x 10	30	0.628x0.278	132	189
639492	8	3	7	0.141	37	1 x 10	30	0.585	185	260
288944	6	2	7	0.177	37	1 x 10	30	0.700x0.314	192	261
639500	6	3	7	0.177	37	1 x 10	30	0.672	276	365
639682	4	3	7	0.225	49	1 x 8	30	0.843	440	575
639708	2	3	7	0.282	49	1 x 8	30	0.887	671	830

All dimensions are nominal and subject to normal manufacturing tolerances

◊ Cable marked with this symbol is a standard stock item

4/C NM-B constructions are round
^4 (2/2) Extra circuit construction

Table 2 – Electrical and Engineering Data

Stock Number	Cond. Size	Cond. Number	Min Bending Radius	Max Pull Tension	DC Resistance @ 25°C	AC Resistance @ 75°C	Inductive Reactance @ 60Hz
	AWG/Kcmil		inch	lb	Ω/1000ft	Ω/1000ft	Ω/1000ft
288274	14	2	0.7	65	2.631	3.170	0.058
639468	14	3	0.7	98	2.631	3.170	0.058
550482^	14	4	1.4	105	2.631	3.170	0.058
550539	14	4	1.4	105	2.631	3.170	0.058
550482	14	4	1.4	105	2.631	3.170	0.058
288282	12	2	0.8	104	1.662	2.002	0.054
639476	12	3	0.8	156	1.662	2.002	0.054
550484	12	4	1.6	167	1.662	2.002	0.054
550484^	12	4	1.6	167	1.662	2.002	0.054
550542	12	4	1.6	167	1.662	2.002	0.054
288290	10	2	0.9	166	1.040	1.253	0.050
639484	10	3	0.9	249	1.040	1.253	0.050
555832	10	4	1.9	265	1.040	1.253	0.050
551888	8	2	1.1	264	0.653	0.786	0.052
288936	8	2	1.1	264	0.653	0.786	0.052
639492	8	3	2.3	396	0.653	0.786	0.052
288944	6	2	1.3	419	0.411	0.495	0.051
639500	6	3	2.7	629	0.411	0.495	0.051
639682	4	3	3.4	1001	0.258	0.310	0.048
639708	2	3	3.5	1592	0.162	0.195	0.045

Ampacities based upon 2023 NEC Table 310.16. Also, see NEC sections 310.15 for additional requirements.
Ampacities have been adjusted for more than Three Current-Carrying Conductors.

Phase Color Code and Package #14 and 12 AWG

Conductor Number	Package	Black	White	Red	Blue	White/Red

2	Coil: 125', 250', 500' Spool: 500', 1000', 2500'	X	X
3	Coil: 125', 250', 500' Spool: 500', 1000', 2500'	X	X	X
4	Coil: 125', 250', 500' Spool: 500', 1000', 2500'	X	X	X	X
4 - (2/2)	Coil: 125', 250', 500' Spool: 500', 1000', 2500'	X	X	X		X

Phase Color Code and Package #10, #8, 6, 4, 2 AWG

Conductor Number	Package	Black	White	Red	Blue

2	Coil: 125', 250', 500' Spool: 500', 1000', 2500'	X	X
3	Coil: 125', 250', 500' Spool: 500', 1000', 2500'	X	X	X
4	Coil: 125', 250', 500' Spool: 500', 1000', 2500'	X	X	X	X

Revision: 1.000.013

Updated On: Sept. 3, 2024, 8:46 p.m. UTC