Welded mesh electrical fence section and electric installation details perforations in the masonry with a chisel of ¼ "each 45 cm (three times the distance between the knots of the mesh with cocada of 15 cm). immediately these perforations clean them with compressed air., electrowelded mesh, nº 4.5mm. of diameter @ 0.15 m., the meshes will be placed, to later introduce the connectors (bar of 1/4 ") until crossing the wall and to fix by both faces, through the perforations, attaching them against the knots of the mesh by means of wire # 16. and much more of fence details.