9.Maximum spacing between conduit supports shall be 3000mm, unless otherwise noted .
10.cables in cable tray shall be laid in accordance with nec art.318, and fixed on tray not more than 6m intervals in horizontal runs and 2m intervals in vertical runs.
11.All field drilled holes, cut edges and welded areas of galvanized steel shall be deburred an touched up with anti corrosive epoxy paint.
12.All threaded conduit joins shall be made up using a metal oxided paint on the threads.
13.All wiring shall be nealty and permanently marked at both ends by means of marked wire sleeves.
14.Unless otherwise noted, all electricity material shall be use explosion proof apparatus on explosion proof construction.