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The schematic above illustrates the key elements of an effective earthing system.
An effective earthing system is a fundamental requirement of any modern structure or system for operational and/or safety reasons. Without such a system, the safety of a structure, the equipment contained within it and its occupants is compromised.
Earthing systems typically fall into (but are not limited to) one of the following categories:
-power generation, transmission and distribution
-lightning protection
-control of undesirable static electricity
-telecommunications.
Дата публикования: 2015-09-18; Прочитано: 275 | Нарушение авторского права страницы | Мы поможем в написании вашей работы!