Which is better for a 30 amp circuit?

Either works. Both are 10 AWG copper NM-B rated 600 V, which is the standard cable for a 30 A dryer or water heater circuit. The Southwire's orange jacket just makes it easier to confirm you grabbed 10-gauge.

Does the SIMpull jacket really make pulling easier?

Yes, electricians commonly report less friction and fewer jacket scuffs on long pulls compared with standard NM-B jackets. On short runs inside a wall the difference is minor.

Is one more durable than the other?

Both use solid copper and PVC insulation and jacket, so service life inside a wall is comparable. The Southwire has published jacket and insulation thickness, which makes its construction easier to verify.

Can I use either in conduit?

NM-B is allowed in conduit only where the conduit is not subject to wet locations and where local code permits it. The thinner, slicker SIMpull jacket is generally easier to feed, but check your inspector's rules first.

Is it worth stepping up to the Southwire?

If you are pulling long runs or want a traceable brand with full specs, yes. If you just need a long coil for a straightforward run and the generic jacket feels fine, the difference is small.

Do both have a ground conductor?

Yes. Both are 10/2 with ground: two insulated copper conductors plus one bare 10 AWG ground.

10/2 NM-B Romex Cable, 250 ft vs Southwire Romex SIMpull 10/2 NM-B Wire

Both are 10/2 NM-B copper cable with ground, 600 V rated, and they perform the same job in a circuit. The Southwire is the safer pick: it is a branded, widely stocked product with SIMpull jacket technology that pulls through conduit and framing more easily, and its orange jacket makes 10-gauge runs easy to identify. Generic 10/2 coils are fine when you need a long continuous run and the brand does not matter, but owners and electricians report more jacket friction and less consistent sheathing quality on unbranded coils.

Choose the generic 10/2 NM-B coil if you need a long continuous 250 ft run and brand name does not matter to you.
Choose the Southwire Romex SIMpull 10/2 if you want a branded, widely available cable with easier pulling and clear orange 10-gauge identification.

Prices

10/2 NM-B Romex Cable, 250 ft: $314.00 at Home Depot (checked today)
Southwire Romex SIMpull 10/2 NM-B Wire: $89.94 at Walmart (checked today)
Difference: the Southwire Romex SIMpull 10/2 NM-B Wire is $224.06 cheaper than the 10/2 NM-B Romex Cable, 250 ft today

Non-Metallic Sheathed Cable with Grounding, 10 AWG, 2 Copper Conductors, 250 Foot Coil

	10/2 NM-B Romex Cable, 250 ft	Southwire Romex SIMpull 10/2 NM-B Wire
Brand and traceability	Non-specific manufacturer, no brand on the coil	Southwire, a major US wire maker with published specs
Jacket technology	Standard PVC jacket, pliable but no pull aid	SIMpull jacket designed to reduce pulling friction
Jacket color	Not specified	Orange, the standard color code for 10-gauge NM-B
Published dimensions	Gauge, length and voltage only	OD, insulation and jacket thickness, weight per 1000 ft
Conductor construction	2 solid copper conductors plus ground, 10 AWG	2 solid copper conductors plus ground, 10 AWG
Voltage and temperature rating	600 V, 194 °F dry	600 V, NM-B dry-location rating
Coil length	250 ft coil	Sold in standard coil lengths; check the listing for length
Availability	Generic coil, stock varies by store	Widely stocked at hardware and electrical suppliers

Spec	10/2 NM-B Romex Cable, 250 ft	Southwire Romex SIMpull 10/2 NM-B Wire
Wire Gauge	10 AWG	10 gauge
Voltage Rating	600 V	600 volts
Conductor Size	10 AWG	10 AWG
Length	250 ft	—
Conductor Material	Copper	—
Type	NM-B, Romex Nonmetallic Building Cable	—
Wire Configuration	Multi-conductor (2 conductors plus 1 ground con…	—
Insulation Material	PVC (conductor insulation), Uninsulated (ground…	—
Number Of Conductors	2	—
Construction Type	Solid	—
Material	Copper (conductor)	—
Application	Building Cable	—

Spec	10/2 NM-B Romex Cable, 250 ft	Southwire Romex SIMpull 10/2 NM-B Wire
Quantity	250 ft	—
Packaging Type	Coil	—
Max Temperature Rating	194 °F (dry)	—
Flexibility	Pliable sheathing	—
Jacket Type	PVC	—
Strand Count	1	—
Conductor Number	—	2
Conductor Strands	—	Solid
Ground Size	—	1x10
Insulation Thickness

10/2 NM-B Romex Cable, 250 ft vs Southwire Romex SIMpull 10/2 NM-B Wire

Prices

10/2 NM-B Romex Cable, 250 ft vs Southwire Romex SIMpull 10/2 NM-B Wire

Prices

10/2 NM-B Romex Cable, 250 ft

Southwire Romex SIMpull 10/2 NM-B Wire

What separates them

Price history

Prices at every store

10/2 NM-B Romex Cable, 250 ft

Southwire Romex SIMpull 10/2 NM-B Wire

Specs compared

What reviewers say

10/2 NM-B Romex Cable, 250 ft

Southwire Romex SIMpull 10/2 NM-B Wire

Questions and answers

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