This paper introduced the load classification,calculation,use,power supply selection and other content in hospital building electrical design,according to the category of medical facilities,analyzed the safety protection and earthing form of health facilities,and discussed the hos-pital lighting design way,made the hospital electrical design more scientific,reliable and safe.%介绍了医院建筑电气设计中负荷分级、计算、使用、供电电源选择等内容，依据医疗场所的类别，分析了医疗场所的安全防护和接地形式，并探讨了医院的照明设计方式，使医院电气设计更加科学、可靠、安全。
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