Housing Trading dwg file. - CONDUCTORS 2.5 and 4mm2, WILL BE ELECTROLYTIC COPPER 99.9% ICS DE   CONDUCTIVITY, WILL HAVE IMPROVED PVC INSULATION, TYPE TW-70   (THERMOPLASTIC RESISTANCE TO HUMIDITY, 70 ºC) FOR 1000V. - CONDUCTORS OF 6mm2 AND SUPERIOR, WILL BE ELECTROLYTIC COPPER OF   99.9% ACS OF CONDUCTIVITY, WILL HAVE PVC INSULATION OF TYPE TW   THERMOPLASTIC RESISTANT TO HUMIDITY, 60 ºC), FOR 600V. - THE MINIMUM SECTION TO BE USED IN DERIVED CIRCUITS, WILL BE 2.5mm2. - CONDUCTORS WITH SECTIONS OVER 6mm2, WILL BE CABLEDOS. - NO PACKING WILL REMAIN IN THE PIPES. - IT IS RECOMMENDED THAT DRIVERS HAVE A DIFFERENT COLOR FOR   EACH PHASE. - GROUNDING CONDUCTORS, IF NOT NAKED, WILL BE   OF COLOR (ITS ISOLATION) YELLOW, OR WILL BE PAINTED OF YELLOW.