For sale: THHN copper ground wire spool, 10 mm2 (100 meters). Original THHN copper ground wire spool. Type: THHN Size: 10 mm2 (AWG 8) Voltage: 500V Color: Green/Yellow Length: 100 meters Condition: New, complete, never used. Suitable for electrical wiring and grounding. Price: 950 SAR, reasonably negotiable.