- Single Copper Conductors. XLP Insulation
- 1000 Volts. 90°C Max, - 40°C Min
RWU90 is for designed for direct earth burial (with protection as required by inspecting authority). Sizes #8 and larger are sunlight resistant and marked "SR". For service entrance above or below ground. Minimum recommended installation tempersture minus 40°C (with suitable handling procedures). Maximum conductor temperature 90°C.