Chongqing Provincial Standard of the People's Republic of China
Latest
DB50/T 5003-1997
Scope
In order to ensure the quality of electrical design of residential buildings and ensure that electrical installations in residential buildings meet the requirements of safety, applicability, convenience and energy saving, this standard is specially formulated. This standard applies to the electrical design of general urban residential buildings newly built and renovated in Chongqing (residential buildings with high standards can be used as a reference).