12/2 Romex NM-B Wire (2026)
12/2 Romex NM-B wire is rated for 20-amp circuits and is required for kitchens, bathrooms, laundry rooms, and other high-demand areas. It contains two insulated 12-gauge copper conductors plus a bare ground wire in a yellow non-metallic sheathing. Handles higher electrical loads safely.
Key Features
- Two 12-AWG copper conductors plus ground
- Non-metallic PVC sheathing
- Color-coded yellow outer jacket
- UL listed and NEC compliant
- Rated for 20-amp circuits
Specifications
Applications
- Kitchen outlet circuits
- Bathroom outlet circuits
- Laundry circuits
- Garage circuits
- Outdoor outlet circuits
Installation Overview
Run cable through framing, staple every 4.5 feet and within 12 inches of boxes. Use approved connectors to enter electrical boxes. Make connections with appropriate wire nuts. Must be paired with 20-amp breakers.
Pros & Cons
Pros
- ✓ Required for high-demand circuits
- ✓ Handles 20-amp loads safely
- ✓ Versatile for many applications
- ✓ Can be used on 15 or 20-amp circuits
Cons
- ✗ More expensive than 14/2
- ✗ Stiffer and harder to pull
- ✗ Heavier rolls to work with
- ✗ Not rated for wet or underground use
Top Brands
Code Requirements
NEC requires 20-amp circuits (12-gauge minimum) for kitchen countertop outlets, bathroom outlets, laundry outlets, and garage outlets. Must follow NEC Article 334 for NM-B cable installation.
Buying Tips
Yellow jacket means 12-gauge. Buy 250-foot rolls for whole-room wiring projects. Always use 12/2 for kitchen, bath, laundry, and garage circuits per code.
Frequently Asked Questions
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