4 AWG THHN/THWN-2 Aluminum Building Wire 600V, 500ft or 1000ft Spool 

Application:
THHN/THWN-2 conductors in all colors are suitable for use in general purpose wiring in accordance with the requirements of NFPA 70 (NEC®). Type THHN/THWN-2 conductors are approved for use at a maximum voltage of 600 volts and a maximum conductor temperature of 90 °C in wet or dry locations and 75 °C when exposed to gasoline and oil.

Applicable Standards:
UL Standard 83 (THHN/THWN-2) ICEA S-95-658/NEMA WC70. Federal Specification A-A-59544. ANSI/NFPA 70 National Electric Code (NEC®).

Conductor:
 Aluminum AA-8000 alloy compacted conductor, Class B stranding, per ASTM B801.

Insulation:
Polyvinyl Chloride (PVC) per UL 83.

Specifications*:

Size: 4 AWG
Number of Strands: 7
Insulation Thickness: 0.040 inches
Outside Diameter: 0.305 inches
Weight: 0.064 lbs per ft
Ampacity: 75 Amps at 90°C

*Data provided on this page is subject to change based on different manufacturers variances.