FIELD: electrical engineering. SUBSTANCE: grounding device includes conductor coming from electric installation, connection strip and vertical electrodes-grounding rods interconnected rigidly and laid in trench having length specified in formula of invention. EFFECT: increased safety. 2 dwg
Title | Year | Author | Number |
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PROCESS OF EMBEDDING OF GROUNDING DEVICE IN GROUND | 1999 |
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EXTERNAL GROUNDING DEVICE | 1999 |
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VERTICAL GROUND ELECTRODE | 1999 |
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GROUNDING CONNECTION | 0 |
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SU1791882A1 |
Authors
Dates
1995-08-09—Published
1992-07-21—Filed