This standard specifies the environmental conditions in tropical areas, including humid heat, subhumid heat, and dry heat (see Figure 1). This standard applies to general-purpose electrical products in tropical areas classified according to GB/T 4797.1.
JB/T 4160-2013 Referenced Document
GB/T 4797.5 Classification of environmental conditions.Environmental conditions appearing in nature.Precipitation and wind*, 2017-12-29 Update
GB/T 4797.6 Classification of environmental conditions.Environmental conditions appearing in nature.Dust, sand, salt mist
JB/T 4160-2013 history
2013JB/T 4160-2013 Natural environmental conditions appearring in the tropics for electric products
1999JB/T 4160-1999 Natural environmental conditions appearing in the tropics for electric products