The earth resistance is then measured; if too high, several more rods can be driven in and connected in parallel. This is necessary for earthing mains where a possible fault current may be very large.

Supply of earthing rods and copper clad steel. Closing date: 17 March 2010. Subscribe to read the full article Become a MEED subscriber for unlimited access to: Exclusive news, comment and analysis on ...

2. Production of copper wire rod in Russia and other CIS countries in 2004-2013 3. Main enterprise-producers of copper wire rod 4. Export-import of copper wire rod in 1997-2013 5. Analysis of ...