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Building Wire
- Use for buildings
- Stranded Wire: Flexible
Solid Wire: Bend and Stay - Temperature Range:
Wire with Nylon Outer Insulation: -10° to 190° F
Wire with Polyethylene Outer Insulation: -40° to 190° F
Install this copper wire in conduit and cable trays in commercial and industrial buildings. It's also known as branch circuit wire. The outer jacket is designed to be installed without applying pulling lubricant.
Stranded wire is flexible, so it’s pliable enough to be pulled around corners. Solid wire bends and stays in the position that you bend it. It’s easier to terminate than stranded wire.
Wire with a nylon outer insulation resists oil and water. TFFN wire is also known as fixture wire. It’s for use in dry locations. THHN wire can be used in dry or damp locations where wire is exposed to condensation or moisture, such as a basement. THWN and THWN-2 wire can be used in both wet and dry environments.
Flame rated VW-1 wire meets requirements for preventing the spread of flames based on a timed test with vertically suspended material.
For technical drawings and 3-D models, click on a part number.

Wire Ga. | Strand Count | Current | OD | Industry Designation | Specifications Met | Choose an Outer Insulation Color | Length, ft. | Per Ft. | |
600V AC/600V DC | |||||||||
---|---|---|---|---|---|---|---|---|---|
18 | 16/30 | 6 A @ 86° F | 0.09" | TFFN | UL Listed | 0000000 | 00000 | ||
16 | 26/30 | 8 A @ 86° F | 0.1" | TFFN | UL Listed | 0000000 | 000 | ||
14 | 19/27 | 15 A @ 86° F | 0.11" | THHN, THWN | UL Listed, C-UL Listed, UL 2556 VW-1 | 0000000 | 000 | ||
12 | 19/25 | 20 A @ 86° F | 0.13" | THHN, THWN | UL Listed, C-UL Listed, UL 2556 VW-1 | 0000000 | 000 | ||
10 | 19/23 | 30 A @ 86° F | 0.16" | THHN, THWN | UL Listed, C-UL Listed, UL 2556 VW-1 | 0000000 | 000 | ||
8 | 19/21 | 55 A @ 86° F | 0.21" | THHN, THWN-2 | UL Listed, C-UL Listed, UL 2556 VW-1 | 0000000 | 0000 | ||
6 | 19/19 | 75 A @ 86° F | 0.25" | THHN, THWN-2 | UL Listed, C-UL Listed, UL 2556 VW-1 | 0000000 | 0000 | ||
4 | 19/17 | 95 A @ 86° F | 0.32" | THHN, THWN-2 | UL Listed, C-UL Listed, UL 2556 VW-1 | 0000000 | 0000 | ||
3 | 19/16 | 110 A @ 86° F | 0.35" | THHN, THWN-2 | UL Listed, C-UL Listed, UL 2556 VW-1 | 0000000 | 0000 | ||
2 | 19/15 | 130 A @ 86° F | 0.38" | THHN, THWN-2 | UL Listed, C-UL Listed, UL 2556 VW-1 | 0000000 | 0000 | ||
1/0 | 19/13 | 170 A @ 86° F | 0.47" | THHN, THWN-2 | UL Listed | 0000000 | 0000 | ||
2/0 | 19/12 | 195 A @ 86° F | 0.52" | THHN, THWN-2 | UL Listed | 0000000 | 0000 |
Wire Ga. | Strand Count | Current | OD | Industry Designation | Specifications Met | Choose an Outer Insulation Color | Each | |
600V AC/600V DC | ||||||||
---|---|---|---|---|---|---|---|---|
18 | 16/30 | 6 A @ 86° F | 0.09" | TFFN | UL Listed | 0000000 | 000000 | |
16 | 26/30 | 8 A @ 86° F | 0.1" | TFFN | UL Listed | 0000000 | 00000 | |
14 | 19/27 | 15 A @ 86° F | 0.11" | THHN, THWN | UL Listed, C-UL Listed, UL 2556 VW-1 | 0000000 | 00000 | |
12 | 19/25 | 20 A @ 86° F | 0.13" | THHN, THWN | UL Listed, C-UL Listed, UL 2556 VW-1 | 0000000 | 000000 | |
10 | 19/23 | 30 A @ 86° F | 0.16" | THHN, THWN | UL Listed, C-UL Listed, UL 2556 VW-1 | 0000000 | 000000 | |
8 | 19/21 | 55 A @ 86° F | 0.21" | THHN, THWN-2 | UL Listed, C-UL Listed, UL 2556 VW-1 | 0000000 | 000000 | |
6 | 19/19 | 75 A @ 86° F | 0.25" | THHN, THWN-2 | UL Listed, C-UL Listed, UL 2556 VW-1 | 0000000 | 000000 | |
4 | 19/17 | 95 A @ 86° F | 0.32" | THHN, THWN-2 | UL Listed, C-UL Listed, UL 2556 VW-1 | 0000000 | 000000 | |
3 | 19/16 | 110 A @ 86° F | 0.35" | THHN, THWN-2 | UL Listed, C-UL Listed, UL 2556 VW-1 | 0000000 | 00000000 | |
2 | 19/15 | 130 A @ 86° F | 0.38" | THHN, THWN-2 | UL Listed, C-UL Listed, UL 2556 VW-1 | 0000000 | 00000000 | |
1/0 | 19/13 | 170 A @ 86° F | 0.47" | THHN, THWN-2 | UL Listed | 0000000 | 00000000 | |
2/0 | 19/12 | 195 A @ 86° F | 0.52" | THHN, THWN-2 | UL Listed | 0000000 | 00000000 |

Wire Ga. | Current | OD | Industry Designation | Specifications Met | Choose an Outer Insulation Color | Length, ft. | Per Ft. | |
600V AC/600V DC | ||||||||
---|---|---|---|---|---|---|---|---|
14 | 15 A @ 86° F | 0.1" | THHN, THWN | UL Listed, C-UL Listed, UL 2556 VW-1 | 0000000 | 00000 | ||
12 | 20 A @ 86° F | 0.12" | THHN, THWN | UL Listed, C-UL Listed, UL 2556 VW-1 | 0000000 | 000 | ||
10 | 30 A @ 86° F | 0.15" | THHN, THWN | UL Listed, C-UL Listed, UL 2556 VW-1 | 0000000 | 000 |
Wire Ga. | Current | OD | Industry Designation | Specifications Met | Choose an Outer Insulation Color | Each | |
600V AC/600V DC | |||||||
---|---|---|---|---|---|---|---|
14 | 15 A @ 86° F | 0.1" | THHN, THWN | UL Listed, C-UL Listed, UL 2556 VW-1 | 0000000 | 000000 | |
12 | 20 A @ 86° F | 0.12" | THHN, THWN | UL Listed, C-UL Listed, UL 2556 VW-1 | 0000000 | 000000 | |
10 | 30 A @ 86° F | 0.15" | THHN, THWN | UL Listed, C-UL Listed, UL 2556 VW-1 | 0000000 | 000000 |
Motor Winding Wire

- Use for motors
- Bend and Stay
- Maximum Temperature: 390° F
- Insulation: Polyamide
Also known as magnet wire, this wire is commonly used in motors, transformers, relays, and other high-speed winding applications. It meets NEMA 1000 MW-35C for material quality and -73C for use in sealed motors and material quality. It stays in the position you bend it.
For technical drawings and 3-D models, click on a part number.
Wire Ga. | OD | Lg., ft. | Specifications Met | Each | |
Solid Wire | |||||
---|---|---|---|---|---|
36 | 0.01" | 6,150 | NEMA 1000 MW-35C, NEMA 1000 MW-73C, UL Recognized Component | 0000000 | 000000 |
36 | 0.01" | 12,300 | NEMA 1000 MW-35C, NEMA 1000 MW-73C, UL Recognized Component | 0000000 | 00000 |
34 | 0.01" | 3,900 | NEMA 1000 MW-35C, NEMA 1000 MW-73C, UL Recognized Component | 0000000 | 00000 |
34 | 0.01" | 7,800 | NEMA 1000 MW-35C, NEMA 1000 MW-73C, UL Recognized Component | 0000000 | 00000 |
32 | 0.01" | 4,350 | NEMA 1000 MW-35C, NEMA 1000 MW-73C, UL Recognized Component | 0000000 | 00000 |
32 | 0.01" | 8,700 | NEMA 1000 MW-35C, NEMA 1000 MW-73C, UL Recognized Component | 0000000 | 00000 |
30 | 0.01" | 3,000 | NEMA 1000 MW-35C, NEMA 1000 MW-73C, UL Recognized Component | 0000000 | 00000 |
30 | 0.01" | 6,000 | NEMA 1000 MW-35C, NEMA 1000 MW-73C, UL Recognized Component | 0000000 | 00000 |
28 | 0.02" | 2,000 | NEMA 1000 MW-35C, NEMA 1000 MW-73C, UL Recognized Component | 0000000 | 00000 |
28 | 0.02" | 4,000 | NEMA 1000 MW-35C, NEMA 1000 MW-73C, UL Recognized Component | 0000000 | 00000 |
26 | 0.02" | 1,500 | NEMA 1000 MW-35C, NEMA 1000 MW-73C, UL Recognized Component | 0000000 | 00000 |
26 | 0.02" | 3,000 | NEMA 1000 MW-35C, NEMA 1000 MW-73C, UL Recognized Component | 0000000 | 00000 |
24 | 0.02" | 790 | NEMA 1000 MW-35C, NEMA 1000 MW-73C, UL Recognized Component | 0000000 | 00000 |
24 | 0.02" | 2,000 | NEMA 1000 MW-35C, NEMA 1000 MW-73C, UL Recognized Component | 0000000 | 00000 |
22 | 0.03" | 750 | NEMA 1000 MW-35C, NEMA 1000 MW-73C, UL Recognized Component | 0000000 | 00000 |
22 | 0.03" | 1,500 | NEMA 1000 MW-35C, NEMA 1000 MW-73C, UL Recognized Component | 0000000 | 000000 |
20 | 0.04" | 500 | NEMA 1000 MW-35C, NEMA 1000 MW-73C, UL Recognized Component | 0000000 | 00000 |
20 | 0.04" | 900 | NEMA 1000 MW-35C, NEMA 1000 MW-73C, UL Recognized Component | 0000000 | 000000 |
18 | 0.04" | 300 | NEMA 1000 MW-35C, NEMA 1000 MW-73C, UL Recognized Component | 0000000 | 00000 |
18 | 0.04" | 600 | NEMA 1000 MW-35C, NEMA 1000 MW-73C, UL Recognized Component | 0000000 | 00000 |
16 | 0.06" | 125 | NEMA 1000 MW-35C, NEMA 1000 MW-73C, UL Recognized Component | 0000000 | 00000 |
16 | 0.06" | 250 | NEMA 1000 MW-35C, NEMA 1000 MW-73C, UL Recognized Component | 0000000 | 00000 |
14 | 0.07" | 80 | NEMA 1000 MW-35C, NEMA 1000 MW-73C, UL Recognized Component | 0000000 | 00000 |
14 | 0.07" | 160 | NEMA 1000 MW-35C, NEMA 1000 MW-73C, UL Recognized Component | 0000000 | 00000 |
12 | 0.09" | 50 | NEMA 1000 MW-35C, NEMA 1000 MW-73C, UL Recognized Component | 0000000 | 00000 |
12 | 0.09" | 100 | NEMA 1000 MW-35C, NEMA 1000 MW-73C, UL Recognized Component | 0000000 | 00000 |
Aluminum Building Wire

- Use for buildings
- Flexible
- Temperature Range: -40° to 190° F
Mend or extend aluminum wire often found in older buildings. This wire isn’t recommended for new wiring, since it’s more likely to overheat than copper when conducting electricity. However, it’s safer to maintain existing aluminum wire with aluminum rather than mixing materials. Building wire is also known as branch circuit wire.
This wire has an outer layer of nylon insulation that won't degrade from oil and water. It’s designed to be pulled through conduit without pulling lubricants. THHN and THWN-2 designated, this wire can be used in damp places.
For technical drawings and 3-D models, click on a part number.
Wire Ga. | Current | OD | Outer Insulation Color | Industry Designation | Specifications Met | 25 ft. | 50 ft. | 100 ft. | 250 ft. | 500 ft. | |
Stranded Wire with Nylon Plastic Outer and PVC Plastic Inner Insulation | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
600V AC/600V DC | |||||||||||
6 | 55 A @ 86° F | 0.24" | Black | THHN, THWN-2 | UL Listed | 0000000 | |||||
4 | 75 A @ 86° F | 0.3" | Black | THHN, THWN-2 | UL Listed | 0000000 | |||||
2 | 100 A @ 86° F | 0.36" | Black | THHN, THWN-2 | UL Listed | 0000000 | |||||
1 | 115 A @ 86° F | 0.41" | Black | THHN, THWN-2 | UL Listed | 0000000 | |||||
1/0 | 135 A @ 86° F | 0.45" | Black | THHN, THWN-2 | UL Listed | 0000000 | |||||
2/0 | 150 A @ 86° F | 0.49" | Black | THHN, THWN-2 | UL Listed | 0000000 |