History
Lloyd Mandeno OBE (1888-1973) fully developed SWER in New Zealand around 1925 for rural electrification. Although he termed it “Earth Working Single Wire Line” it was often called “Mandeno’s Clothesline”. More than 200,000 kilometres have now been installed in Australia and New Zealand. It is considered safe, reliable and low cost, provided that safety features and earthing are correctly installed. The Australian standards are widely used and cited. It has been applied in the Canadian province of Saskatchewan, Brazil, Africa, portions of the United States' Upper Midwest, and SWER interties have been proposed for Alaska and prototyped.
Read more about this topic: Single-wire Earth Return
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