multiple earthing
21Autotransformer — An autotransformer (sometimes called autoformer ) [ Paul Horowitz and Winfield Hill, The Art of Electronics Second Edition , Cambridge University Press, Cambridge MA, 1989, ISBN 0 521 37095 7, page 58 ] is an electrical transformer with only one… …
22Overhead power line — This article is about power lines for general transmission of electrical power. For overhead lines used to power road and rail vehicles, see Overhead lines. Transmission lines in Lund, Sweden …
23Architecture of ancient Sri Lanka — The architecture of ancient Sri Lanka displays a rich variety of architectural forms and styles. Even in their ruined condition, the buildings of ancient Sri Lanka provides a cultural heritage and architectural significance which is important to… …
24ГОСТ Р МЭК 62305-1-2010: Менеджмент риска. Защита от молнии. Часть 1. Общие принципы — Терминология ГОСТ Р МЭК 62305 1 2010: Менеджмент риска. Защита от молнии. Часть 1. Общие принципы оригинал документа: 3.48 внешние токопроводящие части (external conductive parts): Открытые металлические части, входящие в защищаемое здание… …
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