Wiring between the main line and accessories, PVC sheathed copper cable size not less than 10 mm core plugging electrical ground wire, Welding and Exothermic welding method used must have a lid with a pipe cover, complete.
Connecting line between the earth and accessories. Use PVC coated copper wire size not less than 10 mm. The connection to the main ground, use a hose to connect Exothermic Welding and cover with lid completely.
Calls between main grounding and equipment to use copper PVC cover at least 10 mm. The main line grounding used welding method Exothermic Welding and pipe with lid them neatly.