NM-B (Inside)

Commonly referred to as “Romex” cable, this type of electrical wire (Non-Metallic 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 by the National Electric Code (NEC).

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 subject to excessive moisture or dampness.

Voltage rating for NM-B cable is 600 volts.

Type NM-B Manufacturer’s Specification Sheet.

Type NM-B Wire Composition and Sample Uses.

Showing all 12 results

14/2 NM-B (15 Amps)
$12.76 – $114.43 Select options

$12.76 – $114.43

10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 125 150 175 200 225 250
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12/2 NM-B (20 Amps)
$14.88 – $158.99 Select options

$14.88 – $158.99

10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 125 150 175 200 225 250
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14/3 NM-B, Southwire
(15 Amps)
$14.90 – $198.71 Select options

$14.90 – $198.71

10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 125 150 175 200 225 250
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12/3 NM-B, Southwire
(20 Amps)
$18.24 – $234.39 Select options

$18.24 – $234.39

10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 125 150 175 200 225 250
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10/2 NM-B (30 Amps)
$21.69 – $312.08 Select options

$21.69 – $312.08

10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 125 150 175 200 225 250
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8/2 NM-B (40 Amps)
$30.26 – $563.87 Select options

$30.26 – $563.87

10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 125 150 175 200 225 250
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6/2 NM-B (55 Amps)
$31.78 – $646.70 Select options

$31.78 – $646.70

10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 125 150 175 200 225 250
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10/3 NM-B, Southwire
(30 Amps)
$36.21 – $643.49 Select options

$36.21 – $643.49

10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 125 150 175 200 225 250
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6/3 NM-B, Southwire
(55 Amps)
$51.86 – $926.29 Select options

$51.86 – $926.29

10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 125 150 175 200 225 250
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8/3 NM-B, Southwire
(40 Amps)
$54.90 – $1,224.74 Select options

$54.90 – $1,224.74

10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 125 150 175 200 225 250
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4/3 NM-B, Southwire
(70 Amps)
$95.90 – $986.02 Select options

$95.90 – $986.02

10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 125
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Sale!
Southwire 14/2/2 NM-B “Romex”
~~$266.07~~ $225.00 Add to cart