XHHW-2, All Sizes
Single conductor building wire with cross-linked polyethylene insulation, for feeders and branch circuits 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 21 sizes of XHHW-2, from 14 AWG to 1000 kcmil. All of them are priced online, from $0.2037/ft. Sold by the foot in whole feet from 25 ft, or on standard spools and coils. 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.
The ampacity column is from NEC Table 310.16, 75 C column, for not more than three current-carrying conductors at 30 C ambient.
The breaker column applies NEC 240.4(D): 15 A on 14 AWG copper, 20 A on 12 AWG copper and 30 A on 10 AWG copper (15 A and 25 A on 12 and 10 AWG aluminum).
Code references are to the NEC; check the edition your jurisdiction has adopted and any local amendments.

