Single-wire earth return
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Single-wire earth return or single-wire ground return is a single-wire transmission line which supplies single-phase electric power from an electrical grid to remote areas at lowest cost. The earth is
HVDC SWER power line in Cahora Bassa (Mozambique / South Africa)
Abspannportal
Ground (electricity)
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In electrical engineering, ground or earth may refer to reference ground – a reference point in an electrical circuit from which voltages are measured, earth ground – an electrically neutral node that
Single-wire earth return
…ground return is a single-wire transmission line which supplies single-phase electric power from an electrical grid to remote areas at lowest cost. The earth (or sometimes a body of water) is used as the return path for the current, to avoid the need for a second wire (or neutral wire) to act as a return…
A typical earthing electrode (brown rod), consisting of a conductive rod driven into the ground, at a home in Australia. Most electrical codes specify that the insulation on protective earth conductors must be a distinctive color (or color combination) not used for any other purpose.
Metal water pipe used as grounding electrode
A Danish power socket: the third pin at the bottom is specifically for the earth pin connection
Busbars are used for ground conductors in high-current circuits.