1. Buried grounding electrodes are used to make the connection to the earth. 2. The grounding electrodes are situated at Albuera at and near Calabanga at. 3. Each bipole can be operated also as monopole and is equipped with a grounding electrode . 4. In 1978, the NEC required rebar to be used as a grounding electrode if present. 5. HVDC Hubei-Shanghei shares also the grounding electrode of HVDC Gezhouba Shanghai for the Nanqiao terminal. 6. It was not required to be used if a water pipe or other grounding electrode was present. 7. The grounding electrodes are wires running in East-West direction, which are laid just below the surface. 8. Distribution power systems may be solidly grounded, with one circuit conductor directly connected to an earth grounding electrode system. 9. Electrode line towers are used in some HVDC schemes to carry the power line from the converter station to the grounding electrode . 10. An Ufer ground of specified minimum dimensions is recognized by the U . S . National Electrical Code as a grounding electrode .
