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DESCRIPTION
APPLICATION
Type 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 2011 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.
Standards:
Type NM-B cable complies with:
• ASTM B-3 and B-8
• UL Standard 83
• UL Standard 719
• Federal Specification A-A-59544
• National Electrical Code, NFPA 70. 2011 Edition
• RoHS/ REACH
• ASTM B-3 and B-8
• UL Standard 83
• UL Standard 719
• Federal Specification A-A-59544
• National Electrical Code, NFPA 70. 2011 Edition
• RoHS/ REACH
Features
Nonmetallic-Sheathed Cable. 600 Volt.
Copper Conductors. Color-Coded Jacket.
Four Conductor Available With Two Neutrals.
Copper Conductors. Color-Coded Jacket.
Four Conductor Available With Two Neutrals.
SPECIFICATIONS
ROHS
Low Voltage
Working Temperature 90℃
Flame Retardant
CONSTRUCTION
Type 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. Type NM-B 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.
- 1. Jacket:PVC, flame retardant. 90℃.
- 2. Assembly:the conductor laid parallel, with kraft paper tape wrapped.
- 3. Wrapping:kraft paper tape over the grounding conductor
- 4. Core Jacket:Nylon
- 5. Insulation:PVC, type THHN.
- 6. Conductorannealed copper, comply to ASTM B3
PARAMETER
- Type NM-B Cable
| Conductor | Ground Wire | Approx. Cable Dimension (mils) | Approx. Net Weight per 1000' (lbs) | Allowable Ampacity+ | ||||
| Size (AWG) | Number of Conductors | Number of Strands | Insulation Thickness (mils) | Size (AWG) | Number of Strands | |||
| TWO CONDUCTOR | ||||||||
| 14 | 2 | 1 | 19 | 14 | 1 | 360X162 | 57 | 15 |
| 12 | 2 | 1 | 19 | 12 | 1 | 410X179 | 82 | 20 |
| 10 | 2 | 1 | 24 | 10 | 1 | 494X210 | 124 | 30 |
| 8 | 2 | 7 | 35 | 10 | 1 | 612X269 | 186 | 40 |
| 6 | 2 | 7 | 35 | 10 | 1 | 683X304 | 225 | 55 |
| THREE CONDUCTOR | ||||||||
| 14 | 3 | 1 | 19 | 14 | 1 | 307 | 74 | 15 |
| 12 | 3 | 1 | 19 | 12 | 1 | 347 | 107 | 20 |
| 10 | 3 | 1 | 24 | 10 | 1 | 422 | 164 | 30 |
| 8 | 3 | 7 | 35 | 10 | 1 | 565 | 253 | 40 |
| 6 | 3 | 7 | 35 | 10 | 1 | 650 | 357 | 55 |
| 4 | 3 | 7 | 46 | 8 | 1 | 814 | 560 | 70 |
| 2 | 3 | 7 | 46 | 8 | 1 | 952 | 816 | 95 |
| FOUR CONDUCTOR | ||||||||
| 14 | 2/2 | 1* | 19 | 14 | 1 | 336 | 91 | 15 |
| 14 | 4 | 1** | 19 | 14 | 1 | 336 | 91 | 15 |
| 12 | 2/2 | 1* | 19 | 12 | 1 | 381 | 132 | 20 |
| 12 | 4 | 1** | 19 | 12 | 1 | 381 | 132 | 20 |
| 10 | 4 | 1 | 24 | 10 | 1 | 465 | 201 | 30 |
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