Used to connect mobile homes to a supply of electricity where permanent wiring is required as specific by NEC Article 550-24 and complies with NEC Article 338-1. Compact Stranded 8000 Series aluminum alloy. 600 V. Cross-linked, polyethylene (XLPE). Types USE-2/RHH/RH, W-2. Approved for direct burial up to 90 deg C. Quadruplex cable conductor construction. UL listed.