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This is 4 AWG aluminum building wire with PVC insulation and a nylon jacket, rated 600V and listed for dry and wet locations up to 90°C. Its allowable ampacity at 90°C is 75 amps, which is the headline number for sizing feeders and subpanels. Aluminum is lighter and easier to pull than copper, but it needs terminals rated for aluminum and proper torque to avoid loose connections. It suits feeder runs, subpanels and service work where aluminum is accepted; copper remains the choice where the code or the device calls for it.
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Buyers rate it highly, with 92 ratings averaging 4.9 out of 5. The few complaints center on terminations and handling rather than the wire itself.
This is 4 AWG THHN/THWN-2 building wire with a compact AA-8000 series aluminum conductor. It has PVC insulation and a clear nylon jacket, and it is rated for 600V.
The conductor is bare, Class B stranded per ASTM. The PVC insulation resists abrasion, heat, moisture, oil, and acid and alkaline substances. The nylon jacket resists abrasion, heat, sunlight, and moisture, and has a low coefficient of friction.
It is used for power distribution in wet and dry locations, with ambient temperatures not exceeding 90°C. Ampacity at 90°C is 75 amps.
