Sectional drawing showing an electrical grounding pit detail, including technical specifications for residential installation. The drawing features a 20mm diameter copperweld rod with a minimum length of 1500mm, housed within a 2000mm deep by 300mm wide shaft. It specifies the use of sifted and treated earth to maintain resistance below 10 ohms.
Technical components include a 1x6mm2 ground conductor protected by 40mm PVC piping, a copper connector with at least 10mm of contact length, and a concrete parapet. The surface is finished with a 150mm x 150mm concrete cap featuring a double bronze extraction handle. Detailed dimensions and material callouts are provided for the rod, conduit, and enclosure. Detalle de puesta a tierra.
