XHHW-2 aluminum, All Sizes
Aluminum building wire with cross-linked polyethylene insulation, for feeders in wet or dry locations. XHHW-2 is an insulation type in NEC Table 310.4(1), rated 90 C wet or dry; its ampacity comes from Table 310.16.
We list 18 sizes of XHHW-2 aluminum, from 6 AWG to 1000 kcmil. All of them are priced online, from $0.4268/ft. Sold by the foot in whole feet from 50 ft, or on standard spools and coils. Up to 10 colors are listed per size. Each size has its own page with the price for every color and length, the date an order placed now ships, and the full specifications.
| Product | Size | Conductors | O.D. (in) | Ampacity (A), 75 C | From $/ft |
|---|---|---|---|---|---|
| 6 AWG XHHW-2 Aluminum Wire | 6 AWG | 1 | 0.259 | 50 | $0.5723 |
| 4 AWG XHHW-2 Aluminum Wire | 4 AWG | 1 | 0.303 | 65 | $0.4268 |
| 2 AWG XHHW-2 Aluminum Wire | 2 AWG | 1 | 0.358 | 90 | $0.5723 |
| 1 AWG XHHW-2 Aluminum Wire | 1 AWG | 1 | 0.409 | 100 | $0.6984 |
| 1/0 AWG XHHW-2 Aluminum Wire | 1/0 AWG | 1 | 0.446 | 120 | $0.7275 |
| 2/0 AWG XHHW-2 Aluminum Wire | 2/0 AWG | 1 | 0.466 | 135 | $0.9797 |
| 3/0 AWG XHHW-2 Aluminum Wire | 3/0 AWG | 1 | 0.533 | 155 | $1.28 |
| 4/0 AWG XHHW-2 Aluminum Wire | 4/0 AWG | 1 | 0.585 | 180 | $1.17 |
| 250 kcmil XHHW-2 Aluminum Wire | 250 kcmil | 1 | 0.65 | 205 | $1.74 |
| 300 kcmil XHHW-2 Aluminum Wire | 300 kcmil | 1 | 0.7 | 230 | $2.40 |
| 350 kcmil XHHW-2 Aluminum Wire | 350 kcmil | 1 | 0.746 | 250 | $2.43 |
| 400 kcmil XHHW-2 Aluminum Wire | 400 kcmil | 1 | 0.789 | 270 | $2.85 |
| 500 kcmil XHHW-2 Aluminum Wire | 500 kcmil | 1 | 0.865 | 310 | $3.14 |
| 600 kcmil XHHW-2 Aluminum Wire | 600 kcmil | 1 | 0.973 | 340 | $3.99 |
| 700 kcmil XHHW-2 Aluminum Wire | 700 kcmil | 1 | 1.037 | 375 | $4.59 |
| 750 kcmil XHHW-2 Aluminum Wire | 750 kcmil | 1 | 1.068 | 385 | $4.87 |
| 900 kcmil XHHW-2 Aluminum Wire | 900 kcmil | 1 | 1.162 | 425 | $7.78 |
| 1000 kcmil XHHW-2 Aluminum Wire | 1000 kcmil | 1 | 1.22 | 445 | $8.44 |
The ampacity column is from NEC Table 310.16, 75 C column, for not more than three current-carrying conductors at 30 C ambient.
Code references are to the NEC; check the edition your jurisdiction has adopted and any local amendments.

