Technical 2D CAD drawings detailing the Parres grounding system (Sistema Parres) for SAMI and PMI electrical poles. The plans include elevation views of pole-mounted hardware alongside the underground electrode configuration.
Key components documented include lightning arresters (pararrayos), grounding rods, and copper cabling in 5/8 inch, 3/8 inch, and 1/4 inch gauges. The drawings provide dimensions for two grounding wells (pozos de tierra) with a depth of 1.80m and a surface clearance of 2.00m. A bill of materials is included for the installation at Site Roque. Detalle de pozos de tierra y sistema pararrayos.
