This article analyzes the selection forms of protection earthed system of low Pressure switch of civil buildings, and studied construction request of guard Wire (PE) earthed system.
分析民用建筑低压配电保护接地系统的选用型式,浅论了系统的保护线(PE)接地装置施工要求。
This article introduces the test data and analysis of domestic durable resistance depressant for earthed system used in more than ten years.